4965125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 7098624

約数和(自身を除く): 2133499

約数列:

[1, 5, 11, 23, 25, 55, 115, 125, 157, 253, 275, 575, 785, 1265, 1375, 1727, 2875, 3611, 3925, 6325, 8635, 18055, 19625, 31625, 39721, 43175, 90275, 198605, 215875, 451375, 993025, 4965125]

約数ペア:

[(1, 4965125), (5, 993025), (11, 451375), (23, 215875), (25, 198605), (55, 90275), (115, 43175), (125, 39721), (157, 31625), (253, 19625), (275, 18055), (575, 8635), (785, 6325), (1265, 3925), (1375, 3611), (1727, 2875)]