639664168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1139

約数の個数: 128

約数和(自身を含む): 1541514240

約数和(自身を除く): 901850072

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 31, 34, 44, 52, 62, 68, 88, 104, 124, 136, 143, 187, 221, 248, 286, 341, 374, 403, 442, 527, 572, 682, 748, 806, 884, 1054, 1061, 1144, 1364, 1496, 1612, 1768, 2108, 2122, 2431, 2728, 3224, 4216, 4244, 4433, 4862, 5797, 6851, 8488, 8866, 9724, 11594, 11671, 13702, 13793, 17732, 18037, 19448, 23188, 23342, 27404, 27586, 32891, 35464, 36074, 46376, 46684, 54808, 55172, 65782, 72148, 75361, 93368, 110344, 131564, 144296, 150722, 151723, 198407, 234481, 263128, 301444, 303446, 361801, 396814, 427583, 468962, 559147, 602888, 606892, 723602, 793628, 855166, 937924, 1118294, 1213784, 1447204, 1587256, 1710332, 1875848, 2236588, 2579291, 2894408, 3420664, 4473176, 4703413, 5158582, 6150617, 7268911, 9406826, 10317164, 12301234, 14537822, 18813652, 20634328, 24602468, 29075644, 37627304, 49204936, 58151288, 79958021, 159916042, 319832084, 639664168]

約数ペア:

[(1, 639664168), (2, 319832084), (4, 159916042), (8, 79958021), (11, 58151288), (13, 49204936), (17, 37627304), (22, 29075644), (26, 24602468), (31, 20634328), (34, 18813652), (44, 14537822), (52, 12301234), (62, 10317164), (68, 9406826), (88, 7268911), (104, 6150617), (124, 5158582), (136, 4703413), (143, 4473176), (187, 3420664), (221, 2894408), (248, 2579291), (286, 2236588), (341, 1875848), (374, 1710332), (403, 1587256), (442, 1447204), (527, 1213784), (572, 1118294), (682, 937924), (748, 855166), (806, 793628), (884, 723602), (1054, 606892), (1061, 602888), (1144, 559147), (1364, 468962), (1496, 427583), (1612, 396814), (1768, 361801), (2108, 303446), (2122, 301444), (2431, 263128), (2728, 234481), (3224, 198407), (4216, 151723), (4244, 150722), (4433, 144296), (4862, 131564), (5797, 110344), (6851, 93368), (8488, 75361), (8866, 72148), (9724, 65782), (11594, 55172), (11671, 54808), (13702, 46684), (13793, 46376), (17732, 36074), (18037, 35464), (19448, 32891), (23188, 27586), (23342, 27404)]