138697472

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{17477}}^1$

素因数の和:17524

約数の個数: 36

約数和(自身を含む): 285800256

約数和(自身を除く): 147102784

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 17477, 34954, 69908, 139816, 279632, 541787, 559264, 1083574, 1118528, 2167148, 2237056, 4334296, 4474112, 8668592, 17337184, 34674368, 69348736, 138697472]

約数ペア:

[(1, 138697472), (2, 69348736), (4, 34674368), (8, 17337184), (16, 8668592), (31, 4474112), (32, 4334296), (62, 2237056), (64, 2167148), (124, 1118528), (128, 1083574), (248, 559264), (256, 541787), (496, 279632), (992, 139816), (1984, 69908), (3968, 34954), (7936, 17477)]