215480947

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{2557}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 241638912

約数和(自身を除く): 26157965

約数列:

[1, 11, 47, 163, 517, 1793, 2557, 7661, 28127, 84271, 120179, 416791, 1321969, 4584701, 19589177, 215480947]

約数ペア:

[(1, 215480947), (11, 19589177), (47, 4584701), (163, 1321969), (517, 416791), (1793, 120179), (2557, 84271), (7661, 28127)]