258471993

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{15377}}^1$

素因数の和:15824

約数の個数: 16

約数和(自身を含む): 372024576

約数和(自身を除く): 113552583

約数列:

[1, 3, 13, 39, 431, 1293, 5603, 15377, 16809, 46131, 199901, 599703, 6627487, 19882461, 86157331, 258471993]

約数ペア:

[(1, 258471993), (3, 86157331), (13, 19882461), (39, 6627487), (431, 599703), (1293, 199901), (5603, 46131), (15377, 16809)]