81140488

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3733}}^1$

素因数の和:3782

約数の個数: 64

約数和(自身を含む): 188193600

約数和(自身を除く): 107053112

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1144, 1672, 1976, 2717, 3733, 5434, 7466, 10868, 14932, 21736, 29864, 41063, 48529, 70927, 82126, 97058, 141854, 164252, 194116, 283708, 328504, 388232, 533819, 567416, 780197, 922051, 1067638, 1560394, 1844102, 2135276, 3120788, 3688204, 4270552, 6241576, 7376408, 10142561, 20285122, 40570244, 81140488]

約数ペア:

[(1, 81140488), (2, 40570244), (4, 20285122), (8, 10142561), (11, 7376408), (13, 6241576), (19, 4270552), (22, 3688204), (26, 3120788), (38, 2135276), (44, 1844102), (52, 1560394), (76, 1067638), (88, 922051), (104, 780197), (143, 567416), (152, 533819), (209, 388232), (247, 328504), (286, 283708), (418, 194116), (494, 164252), (572, 141854), (836, 97058), (988, 82126), (1144, 70927), (1672, 48529), (1976, 41063), (2717, 29864), (3733, 21736), (5434, 14932), (7466, 10868)]