64850015

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1427}}^1$

素因数の和:1642

約数の個数: 16

約数和(自身を含む): 79682400

約数和(自身を除く): 14832385

約数列:

[1, 5, 61, 149, 305, 745, 1427, 7135, 9089, 45445, 87047, 212623, 435235, 1063115, 12970003, 64850015]

約数ペア:

[(1, 64850015), (5, 12970003), (61, 1063115), (149, 435235), (305, 212623), (745, 87047), (1427, 45445), (7135, 9089)]