1242881855

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^2\times {\mathrm{911}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 1560669120

約数和(自身を除く): 317787265

約数列:

[1, 5, 29, 97, 145, 485, 911, 2813, 4555, 9409, 14065, 26419, 47045, 88367, 132095, 272861, 441835, 1364305, 2562643, 8571599, 12813215, 42857995, 248576371, 1242881855]

約数ペア:

[(1, 1242881855), (5, 248576371), (29, 42857995), (97, 12813215), (145, 8571599), (485, 2562643), (911, 1364305), (2813, 441835), (4555, 272861), (9409, 132095), (14065, 88367), (26419, 47045)]