28521304

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2131}}^1$

素因数の和:2383

約数の個数: 32

約数和(自身を含む): 61401600

約数和(自身を除く): 32880296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1673, 1912, 2131, 3346, 4262, 6692, 8524, 13384, 14917, 17048, 29834, 59668, 119336, 509309, 1018618, 2037236, 3565163, 4074472, 7130326, 14260652, 28521304]

約数ペア:

[(1, 28521304), (2, 14260652), (4, 7130326), (7, 4074472), (8, 3565163), (14, 2037236), (28, 1018618), (56, 509309), (239, 119336), (478, 59668), (956, 29834), (1673, 17048), (1912, 14917), (2131, 13384), (3346, 8524), (4262, 6692)]