28680008

素因数分解:

$2^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{983}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 61637760

約数和(自身を除く): 32957752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 521, 983, 1042, 1966, 2084, 3647, 3932, 4168, 6881, 7294, 7864, 13762, 14588, 27524, 29176, 55048, 512143, 1024286, 2048572, 3585001, 4097144, 7170002, 14340004, 28680008]

約数ペア:

[(1, 28680008), (2, 14340004), (4, 7170002), (7, 4097144), (8, 3585001), (14, 2048572), (28, 1024286), (56, 512143), (521, 55048), (983, 29176), (1042, 27524), (1966, 14588), (2084, 13762), (3647, 7864), (3932, 7294), (4168, 6881)]