28493296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136987}}^1$

素因数の和:137008

約数の個数: 20

約数和(自身を含む): 59452792

約数和(自身を除く): 30959496

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136987, 273974, 547948, 1095896, 1780831, 2191792, 3561662, 7123324, 14246648, 28493296]

約数ペア:

[(1, 28493296), (2, 14246648), (4, 7123324), (8, 3561662), (13, 2191792), (16, 1780831), (26, 1095896), (52, 547948), (104, 273974), (208, 136987)]