661036378

素因数分解:

$2^1\times {\mathrm{233}}^1\times {\mathrm{641}}^1\times {\mathrm{2213}}^1$

素因数の和:3089

約数の個数: 16

約数和(自身を含む): 997814376

約数和(自身を除く): 336777998

約数列:

[1, 2, 233, 466, 641, 1282, 2213, 4426, 149353, 298706, 515629, 1031258, 1418533, 2837066, 330518189, 661036378]

約数ペア:

[(1, 661036378), (2, 330518189), (233, 2837066), (466, 1418533), (641, 1031258), (1282, 515629), (2213, 298706), (4426, 149353)]