89974768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{881}}^1$

素因数の和:1393

約数の個数: 40

約数和(自身を含む): 188331696

約数和(自身を除く): 98356928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 491, 881, 982, 1762, 1964, 3524, 3928, 6383, 7048, 7856, 11453, 12766, 14096, 22906, 25532, 45812, 51064, 91624, 102128, 183248, 432571, 865142, 1730284, 3460568, 5623423, 6921136, 11246846, 22493692, 44987384, 89974768]

約数ペア:

[(1, 89974768), (2, 44987384), (4, 22493692), (8, 11246846), (13, 6921136), (16, 5623423), (26, 3460568), (52, 1730284), (104, 865142), (208, 432571), (491, 183248), (881, 102128), (982, 91624), (1762, 51064), (1964, 45812), (3524, 25532), (3928, 22906), (6383, 14096), (7048, 12766), (7856, 11453)]