90290984

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22709}}^1$

素因数の和:22793

約数の個数: 32

約数和(自身を含む): 196214400

約数和(自身を除く): 105923416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 22709, 45418, 90836, 158963, 181672, 317926, 635852, 1271704, 1612339, 3224678, 6449356, 11286373, 12898712, 22572746, 45145492, 90290984]

約数ペア:

[(1, 90290984), (2, 45145492), (4, 22572746), (7, 12898712), (8, 11286373), (14, 6449356), (28, 3224678), (56, 1612339), (71, 1271704), (142, 635852), (284, 317926), (497, 181672), (568, 158963), (994, 90836), (1988, 45418), (3976, 22709)]