3880675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 5330016

約数和(自身を除く): 1449341

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 397, 425, 575, 1955, 1985, 6749, 9131, 9775, 9925, 33745, 45655, 155227, 168725, 228275, 776135, 3880675]

約数ペア:

[(1, 3880675), (5, 776135), (17, 228275), (23, 168725), (25, 155227), (85, 45655), (115, 33745), (391, 9925), (397, 9775), (425, 9131), (575, 6749), (1955, 1985)]