81867838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101573}}^1$

素因数の和:101619

約数の個数: 16

約数和(自身を含む): 136515456

約数和(自身を除く): 54647618

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 101573, 203146, 1320449, 2640898, 3148763, 6297526, 40933919, 81867838]

約数ペア:

[(1, 81867838), (2, 40933919), (13, 6297526), (26, 3148763), (31, 2640898), (62, 1320449), (403, 203146), (806, 101573)]