64943345

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2999}}^1$

素因数の和:3136

約数の個数: 16

約数和(自身を含む): 80352000

約数和(自身を除く): 15408655

約数列:

[1, 5, 61, 71, 305, 355, 2999, 4331, 14995, 21655, 182939, 212929, 914695, 1064645, 12988669, 64943345]

約数ペア:

[(1, 64943345), (5, 12988669), (61, 1064645), (71, 914695), (305, 212929), (355, 182939), (2999, 21655), (4331, 14995)]