205915568

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{127423}}^1$

素因数の和:127532

約数の個数: 20

約数和(自身を含む): 402914688

約数和(自身を除く): 196999120

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 127423, 254846, 509692, 1019384, 2038768, 12869723, 25739446, 51478892, 102957784, 205915568]

約数ペア:

[(1, 205915568), (2, 102957784), (4, 51478892), (8, 25739446), (16, 12869723), (101, 2038768), (202, 1019384), (404, 509692), (808, 254846), (1616, 127423)]