397591792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1103}}^1\times {\mathrm{1733}}^1$

素因数の和:2857

約数の個数: 40

約数和(自身を含む): 830821824

約数和(自身を除く): 433230032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1103, 1733, 2206, 3466, 4412, 6932, 8824, 13864, 14339, 17648, 22529, 27728, 28678, 45058, 57356, 90116, 114712, 180232, 229424, 360464, 1911499, 3822998, 7645996, 15291992, 24849487, 30583984, 49698974, 99397948, 198795896, 397591792]

約数ペア:

[(1, 397591792), (2, 198795896), (4, 99397948), (8, 49698974), (13, 30583984), (16, 24849487), (26, 15291992), (52, 7645996), (104, 3822998), (208, 1911499), (1103, 360464), (1733, 229424), (2206, 180232), (3466, 114712), (4412, 90116), (6932, 57356), (8824, 45058), (13864, 28678), (14339, 27728), (17648, 22529)]