217206688

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{399277}}^1$

素因数の和:399304

約数の個数: 24

約数和(自身を含む): 452781252

約数和(自身を除く): 235574564

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 399277, 798554, 1597108, 3194216, 6388432, 6787709, 12776864, 13575418, 27150836, 54301672, 108603344, 217206688]

約数ペア:

[(1, 217206688), (2, 108603344), (4, 54301672), (8, 27150836), (16, 13575418), (17, 12776864), (32, 6787709), (34, 6388432), (68, 3194216), (136, 1597108), (272, 798554), (544, 399277)]