81439248

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 160

約数和(自身を含む): 249841152

約数和(自身を除く): 168401904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 43, 44, 48, 51, 66, 68, 86, 88, 102, 129, 132, 136, 172, 176, 187, 204, 211, 258, 264, 272, 344, 374, 408, 422, 473, 516, 528, 561, 633, 688, 731, 748, 816, 844, 946, 1032, 1122, 1266, 1419, 1462, 1496, 1688, 1892, 2064, 2193, 2244, 2321, 2532, 2838, 2924, 2992, 3376, 3587, 3784, 4386, 4488, 4642, 5064, 5676, 5848, 6963, 7174, 7568, 8041, 8772, 8976, 9073, 9284, 10128, 10761, 11352, 11696, 13926, 14348, 16082, 17544, 18146, 18568, 21522, 22704, 24123, 27219, 27852, 28696, 32164, 35088, 36292, 37136, 39457, 43044, 48246, 54438, 55704, 57392, 64328, 72584, 78914, 86088, 96492, 99803, 108876, 111408, 118371, 128656, 145168, 154241, 157828, 172176, 192984, 199606, 217752, 236742, 299409, 308482, 315656, 385968, 399212, 435504, 462723, 473484, 598818, 616964, 631312, 798424, 925446, 946968, 1197636, 1233928, 1596848, 1696651, 1850892, 1893936, 2395272, 2467856, 3393302, 3701784, 4790544, 5089953, 6786604, 7403568, 10179906, 13573208, 20359812, 27146416, 40719624, 81439248]

約数ペア:

[(1, 81439248), (2, 40719624), (3, 27146416), (4, 20359812), (6, 13573208), (8, 10179906), (11, 7403568), (12, 6786604), (16, 5089953), (17, 4790544), (22, 3701784), (24, 3393302), (33, 2467856), (34, 2395272), (43, 1893936), (44, 1850892), (48, 1696651), (51, 1596848), (66, 1233928), (68, 1197636), (86, 946968), (88, 925446), (102, 798424), (129, 631312), (132, 616964), (136, 598818), (172, 473484), (176, 462723), (187, 435504), (204, 399212), (211, 385968), (258, 315656), (264, 308482), (272, 299409), (344, 236742), (374, 217752), (408, 199606), (422, 192984), (473, 172176), (516, 157828), (528, 154241), (561, 145168), (633, 128656), (688, 118371), (731, 111408), (748, 108876), (816, 99803), (844, 96492), (946, 86088), (1032, 78914), (1122, 72584), (1266, 64328), (1419, 57392), (1462, 55704), (1496, 54438), (1688, 48246), (1892, 43044), (2064, 39457), (2193, 37136), (2244, 36292), (2321, 35088), (2532, 32164), (2838, 28696), (2924, 27852), (2992, 27219), (3376, 24123), (3587, 22704), (3784, 21522), (4386, 18568), (4488, 18146), (4642, 17544), (5064, 16082), (5676, 14348), (5848, 13926), (6963, 11696), (7174, 11352), (7568, 10761), (8041, 10128), (8772, 9284), (8976, 9073)]