139812976

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4621}}^1$

素因数の和:4721

約数の個数: 40

約数和(自身を含む): 284271488

約数和(自身を除く): 144458512

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 4621, 7564, 9242, 15128, 18484, 30256, 36968, 73936, 143251, 281881, 286502, 563762, 573004, 1127524, 1146008, 2255048, 2292016, 4510096, 8738311, 17476622, 34953244, 69906488, 139812976]

約数ペア:

[(1, 139812976), (2, 69906488), (4, 34953244), (8, 17476622), (16, 8738311), (31, 4510096), (61, 2292016), (62, 2255048), (122, 1146008), (124, 1127524), (244, 573004), (248, 563762), (488, 286502), (496, 281881), (976, 143251), (1891, 73936), (3782, 36968), (4621, 30256), (7564, 18484), (9242, 15128)]