255951738

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 160

約数和(自身を含む): 697656960

約数和(自身を除く): 441705222

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 43, 54, 58, 63, 81, 86, 87, 126, 129, 162, 174, 181, 189, 203, 258, 261, 301, 362, 378, 387, 406, 522, 543, 567, 602, 609, 774, 783, 903, 1086, 1134, 1161, 1218, 1247, 1267, 1566, 1629, 1806, 1827, 2322, 2349, 2494, 2534, 2709, 3258, 3483, 3654, 3741, 3801, 4698, 4887, 5249, 5418, 5481, 6966, 7482, 7602, 7783, 8127, 8729, 9774, 10498, 10962, 11223, 11403, 14661, 15566, 15747, 16254, 16443, 17458, 22446, 22806, 23349, 24381, 26187, 29322, 31494, 32886, 33669, 34209, 36743, 46698, 47241, 48762, 52374, 54481, 67338, 68418, 70047, 73486, 78561, 94482, 101007, 102627, 108962, 110229, 140094, 141723, 157122, 163443, 202014, 205254, 210141, 220458, 225707, 235683, 283446, 326886, 330687, 420282, 425169, 451414, 471366, 490329, 630423, 661374, 677121, 707049, 850338, 980658, 992061, 1260846, 1354242, 1414098, 1470987, 1579949, 1984122, 2031363, 2941974, 2976183, 3159898, 4062726, 4412961, 4739847, 5952366, 6094089, 8825922, 9479694, 12188178, 14219541, 18282267, 28439082, 36564534, 42658623, 85317246, 127975869, 255951738]

約数ペア:

[(1, 255951738), (2, 127975869), (3, 85317246), (6, 42658623), (7, 36564534), (9, 28439082), (14, 18282267), (18, 14219541), (21, 12188178), (27, 9479694), (29, 8825922), (42, 6094089), (43, 5952366), (54, 4739847), (58, 4412961), (63, 4062726), (81, 3159898), (86, 2976183), (87, 2941974), (126, 2031363), (129, 1984122), (162, 1579949), (174, 1470987), (181, 1414098), (189, 1354242), (203, 1260846), (258, 992061), (261, 980658), (301, 850338), (362, 707049), (378, 677121), (387, 661374), (406, 630423), (522, 490329), (543, 471366), (567, 451414), (602, 425169), (609, 420282), (774, 330687), (783, 326886), (903, 283446), (1086, 235683), (1134, 225707), (1161, 220458), (1218, 210141), (1247, 205254), (1267, 202014), (1566, 163443), (1629, 157122), (1806, 141723), (1827, 140094), (2322, 110229), (2349, 108962), (2494, 102627), (2534, 101007), (2709, 94482), (3258, 78561), (3483, 73486), (3654, 70047), (3741, 68418), (3801, 67338), (4698, 54481), (4887, 52374), (5249, 48762), (5418, 47241), (5481, 46698), (6966, 36743), (7482, 34209), (7602, 33669), (7783, 32886), (8127, 31494), (8729, 29322), (9774, 26187), (10498, 24381), (10962, 23349), (11223, 22806), (11403, 22446), (14661, 17458), (15566, 16443), (15747, 16254)]