87420529

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 108126720

約数和(自身を除く): 20706191

約数列:

[1, 7, 29, 37, 103, 113, 203, 259, 721, 791, 1073, 2987, 3277, 3811, 4181, 7511, 11639, 20909, 22939, 26677, 29267, 81473, 110519, 121249, 337531, 430643, 773633, 848743, 2362717, 3014501, 12488647, 87420529]

約数ペア:

[(1, 87420529), (7, 12488647), (29, 3014501), (37, 2362717), (103, 848743), (113, 773633), (203, 430643), (259, 337531), (721, 121249), (791, 110519), (1073, 81473), (2987, 29267), (3277, 26677), (3811, 22939), (4181, 20909), (7511, 11639)]