221100355

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{42397}}^1$

素因数の和:42558

約数の個数: 16

約数和(自身を含む): 305265600

約数和(自身を除く): 84165245

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 42397, 211985, 296779, 1483895, 6317153, 31585765, 44220071, 221100355]

約数ペア:

[(1, 221100355), (5, 44220071), (7, 31585765), (35, 6317153), (149, 1483895), (745, 296779), (1043, 211985), (5215, 42397)]