30531628

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 54507600

約数和(自身を除く): 23975972

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 556, 617, 1234, 2468, 12371, 24742, 49484, 54913, 85763, 109826, 171526, 219652, 343052, 7632907, 15265814, 30531628]

約数ペア:

[(1, 30531628), (2, 15265814), (4, 7632907), (89, 343052), (139, 219652), (178, 171526), (278, 109826), (356, 85763), (556, 54913), (617, 49484), (1234, 24742), (2468, 12371)]