645048005

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{138571}}^1$

素因数の和:138609

約数の個数: 24

約数和(自身を含む): 947832480

約数和(自身を除く): 302784475

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 138571, 692855, 969997, 2632849, 4849985, 6789979, 13164245, 18429943, 33949895, 92149715, 129009601, 645048005]

約数ペア:

[(1, 645048005), (5, 129009601), (7, 92149715), (19, 33949895), (35, 18429943), (49, 13164245), (95, 6789979), (133, 4849985), (245, 2632849), (665, 969997), (931, 692855), (4655, 138571)]