399104495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{99901}}^1$

素因数の和:99970

約数の個数: 16

約数和(自身を含む): 517891968

約数和(自身を除く): 118787473

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 99901, 499505, 1698317, 4695347, 8491585, 23476735, 79820899, 399104495]

約数ペア:

[(1, 399104495), (5, 79820899), (17, 23476735), (47, 8491585), (85, 4695347), (235, 1698317), (799, 499505), (3995, 99901)]