256051216

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{66959}}^1$

素因数の和:67206

約数の個数: 20

約数和(自身を含む): 498182400

約数和(自身を除く): 242131184

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 66959, 133918, 267836, 535672, 1071344, 16003201, 32006402, 64012804, 128025608, 256051216]

約数ペア:

[(1, 256051216), (2, 128025608), (4, 64012804), (8, 32006402), (16, 16003201), (239, 1071344), (478, 535672), (956, 267836), (1912, 133918), (3824, 66959)]