217870418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{5569}}^1$

素因数の和:6233

約数の個数: 16

約数和(自身を含む): 337943040

約数和(自身を除く): 120072622

約数列:

[1, 2, 31, 62, 631, 1262, 5569, 11138, 19561, 39122, 172639, 345278, 3514039, 7028078, 108935209, 217870418]

約数ペア:

[(1, 217870418), (2, 108935209), (31, 7028078), (62, 3514039), (631, 345278), (1262, 172639), (5569, 39122), (11138, 19561)]