257737356

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 756940800

約数和(自身を除く): 499203444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 43, 46, 54, 57, 69, 76, 86, 92, 108, 114, 127, 129, 138, 171, 172, 207, 228, 254, 258, 276, 342, 381, 387, 414, 437, 508, 513, 516, 621, 684, 762, 774, 817, 828, 874, 989, 1026, 1143, 1161, 1242, 1311, 1524, 1548, 1634, 1748, 1978, 2052, 2286, 2322, 2413, 2451, 2484, 2622, 2921, 2967, 3268, 3429, 3933, 3956, 4572, 4644, 4826, 4902, 5244, 5461, 5842, 5934, 6858, 7239, 7353, 7866, 8763, 8901, 9652, 9804, 10922, 11684, 11799, 11868, 13716, 14478, 14706, 15732, 16383, 17526, 17802, 18791, 21717, 21844, 22059, 23598, 26289, 26703, 28956, 29412, 32766, 35052, 35604, 37582, 43434, 44118, 47196, 49149, 52578, 53406, 55499, 56373, 65151, 65532, 75164, 78867, 86868, 88236, 98298, 103759, 105156, 106812, 110998, 112746, 125603, 130302, 147447, 157734, 166497, 169119, 196596, 207518, 221996, 225492, 251206, 260604, 294894, 311277, 315468, 332994, 338238, 376809, 415036, 499491, 502412, 507357, 589788, 622554, 665988, 676476, 753618, 933831, 998982, 1014714, 1130427, 1245108, 1498473, 1507236, 1867662, 1997964, 2029428, 2260854, 2386457, 2801493, 2996946, 3391281, 3735324, 4521708, 4772914, 5602986, 5993892, 6782562, 7159371, 9545828, 11205972, 13565124, 14318742, 21478113, 28637484, 42956226, 64434339, 85912452, 128868678, 257737356]

約数ペア:

[(1, 257737356), (2, 128868678), (3, 85912452), (4, 64434339), (6, 42956226), (9, 28637484), (12, 21478113), (18, 14318742), (19, 13565124), (23, 11205972), (27, 9545828), (36, 7159371), (38, 6782562), (43, 5993892), (46, 5602986), (54, 4772914), (57, 4521708), (69, 3735324), (76, 3391281), (86, 2996946), (92, 2801493), (108, 2386457), (114, 2260854), (127, 2029428), (129, 1997964), (138, 1867662), (171, 1507236), (172, 1498473), (207, 1245108), (228, 1130427), (254, 1014714), (258, 998982), (276, 933831), (342, 753618), (381, 676476), (387, 665988), (414, 622554), (437, 589788), (508, 507357), (513, 502412), (516, 499491), (621, 415036), (684, 376809), (762, 338238), (774, 332994), (817, 315468), (828, 311277), (874, 294894), (989, 260604), (1026, 251206), (1143, 225492), (1161, 221996), (1242, 207518), (1311, 196596), (1524, 169119), (1548, 166497), (1634, 157734), (1748, 147447), (1978, 130302), (2052, 125603), (2286, 112746), (2322, 110998), (2413, 106812), (2451, 105156), (2484, 103759), (2622, 98298), (2921, 88236), (2967, 86868), (3268, 78867), (3429, 75164), (3933, 65532), (3956, 65151), (4572, 56373), (4644, 55499), (4826, 53406), (4902, 52578), (5244, 49149), (5461, 47196), (5842, 44118), (5934, 43434), (6858, 37582), (7239, 35604), (7353, 35052), (7866, 32766), (8763, 29412), (8901, 28956), (9652, 26703), (9804, 26289), (10922, 23598), (11684, 22059), (11799, 21844), (11868, 21717), (13716, 18791), (14478, 17802), (14706, 17526), (15732, 16383)]