64373215

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1442

約数の個数: 16

約数和(自身を含む): 78926400

約数和(自身を除く): 14553185

約数列:

[1, 5, 71, 149, 355, 745, 1217, 6085, 10579, 52895, 86407, 181333, 432035, 906665, 12874643, 64373215]

約数ペア:

[(1, 64373215), (5, 12874643), (71, 906665), (149, 432035), (355, 181333), (745, 86407), (1217, 52895), (6085, 10579)]