4099975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:915

約数の個数: 24

約数和(自身を含む): 5879088

約数和(自身を除く): 1779113

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 877, 935, 4385, 4675, 9647, 14909, 21925, 48235, 74545, 163999, 241175, 372725, 819995, 4099975]

約数ペア:

[(1, 4099975), (5, 819995), (11, 372725), (17, 241175), (25, 163999), (55, 74545), (85, 48235), (187, 21925), (275, 14909), (425, 9647), (877, 4675), (935, 4385)]