31007981

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 33600000

約数和(自身を除く): 2592019

約数列:

[1, 19, 59, 139, 199, 1121, 2641, 3781, 8201, 11741, 27661, 155819, 223079, 525559, 1631999, 31007981]

約数ペア:

[(1, 31007981), (19, 1631999), (59, 525559), (139, 223079), (199, 155819), (1121, 27661), (2641, 11741), (3781, 8201)]