418970881

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 514483200

約数和(自身を除く): 95512319

約数列:

[1, 7, 19, 131, 133, 139, 173, 917, 973, 1211, 2489, 2641, 3287, 17423, 18209, 18487, 22663, 23009, 24047, 127463, 158641, 168329, 345971, 430597, 456893, 2421797, 3014179, 3150157, 3198251, 22051099, 59852983, 418970881]

約数ペア:

[(1, 418970881), (7, 59852983), (19, 22051099), (131, 3198251), (133, 3150157), (139, 3014179), (173, 2421797), (917, 456893), (973, 430597), (1211, 345971), (2489, 168329), (2641, 158641), (3287, 127463), (17423, 24047), (18209, 23009), (18487, 22663)]