487777409

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{761}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 578193408

約数和(自身を除く): 90415999

約数列:

[1, 7, 49, 103, 127, 721, 761, 889, 5047, 5327, 6223, 13081, 37289, 78383, 91567, 96647, 548681, 640969, 676529, 3840767, 4735703, 9954641, 69682487, 487777409]

約数ペア:

[(1, 487777409), (7, 69682487), (49, 9954641), (103, 4735703), (127, 3840767), (721, 676529), (761, 640969), (889, 548681), (5047, 96647), (5327, 91567), (6223, 78383), (13081, 37289)]