666770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 1354752

約数和(自身を除く): 687982

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 223, 230, 299, 446, 598, 1115, 1495, 2230, 2899, 2990, 5129, 5798, 10258, 14495, 25645, 28990, 51290, 66677, 133354, 333385, 666770]

約数ペア:

[(1, 666770), (2, 333385), (5, 133354), (10, 66677), (13, 51290), (23, 28990), (26, 25645), (46, 14495), (65, 10258), (115, 5798), (130, 5129), (223, 2990), (230, 2899), (299, 2230), (446, 1495), (598, 1115)]