72153186

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{245419}}^1$

素因数の和:245438

約数の個数: 24

約数和(自身を含む): 167867280

約数和(自身を除く): 95714094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 245419, 490838, 736257, 1472514, 1717933, 3435866, 5153799, 10307598, 12025531, 24051062, 36076593, 72153186]

約数ペア:

[(1, 72153186), (2, 36076593), (3, 24051062), (6, 12025531), (7, 10307598), (14, 5153799), (21, 3435866), (42, 1717933), (49, 1472514), (98, 736257), (147, 490838), (294, 245419)]