858641264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{21613}}^1$

素因数の和:21825

約数の個数: 40

約数和(自身を含む): 1801051392

約数和(自身を除く): 942410128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 764, 1528, 2483, 3056, 4966, 9932, 19864, 21613, 39728, 43226, 86452, 172904, 280969, 345808, 561938, 1123876, 2247752, 4128083, 4495504, 8256166, 16512332, 33024664, 53665079, 66049328, 107330158, 214660316, 429320632, 858641264]

約数ペア:

[(1, 858641264), (2, 429320632), (4, 214660316), (8, 107330158), (13, 66049328), (16, 53665079), (26, 33024664), (52, 16512332), (104, 8256166), (191, 4495504), (208, 4128083), (382, 2247752), (764, 1123876), (1528, 561938), (2483, 345808), (3056, 280969), (4966, 172904), (9932, 86452), (19864, 43226), (21613, 39728)]