1981979

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 16

約数和(自身を含む): 2265408

約数和(自身を除く): 283429

約数列:

[1, 17, 23, 37, 137, 391, 629, 851, 2329, 3151, 5069, 14467, 53567, 86173, 116587, 1981979]

約数ペア:

[(1, 1981979), (17, 116587), (23, 86173), (37, 53567), (137, 14467), (391, 5069), (629, 3151), (851, 2329)]