1260697781

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 1670492160

約数和(自身を除く): 409794379

約数列:

[1, 7, 17, 23, 37, 59, 119, 161, 211, 259, 391, 413, 629, 851, 1003, 1357, 1477, 2183, 2737, 3587, 4403, 4853, 5957, 7021, 7807, 9499, 12449, 14467, 15281, 23069, 25109, 33971, 37111, 50209, 54649, 82501, 87143, 101269, 132719, 161483, 179561, 211633, 259777, 286327, 351463, 460613, 577507, 853553, 929033, 1256927, 1481431, 2004289, 3052537, 3224291, 4867559, 5974871, 7830421, 10594099, 21367759, 34072913, 54812947, 74158693, 180099683, 1260697781]

約数ペア:

[(1, 1260697781), (7, 180099683), (17, 74158693), (23, 54812947), (37, 34072913), (59, 21367759), (119, 10594099), (161, 7830421), (211, 5974871), (259, 4867559), (391, 3224291), (413, 3052537), (629, 2004289), (851, 1481431), (1003, 1256927), (1357, 929033), (1477, 853553), (2183, 577507), (2737, 460613), (3587, 351463), (4403, 286327), (4853, 259777), (5957, 211633), (7021, 179561), (7807, 161483), (9499, 132719), (12449, 101269), (14467, 87143), (15281, 82501), (23069, 54649), (25109, 50209), (33971, 37111)]