64997885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{33247}}^1$

素因数の和:33292

約数の個数: 16

約数和(自身を含む): 86178816

約数和(自身を除く): 21180931

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 33247, 166235, 565199, 764681, 2825995, 3823405, 12999577, 64997885]

約数ペア:

[(1, 64997885), (5, 12999577), (17, 3823405), (23, 2825995), (85, 764681), (115, 565199), (391, 166235), (1955, 33247)]