64640644

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{607}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 115082240

約数和(自身を除く): 50441596

約数列:

[1, 2, 4, 79, 158, 316, 337, 607, 674, 1214, 1348, 2428, 26623, 47953, 53246, 95906, 106492, 191812, 204559, 409118, 818236, 16160161, 32320322, 64640644]

約数ペア:

[(1, 64640644), (2, 32320322), (4, 16160161), (79, 818236), (158, 409118), (316, 204559), (337, 191812), (607, 106492), (674, 95906), (1214, 53246), (1348, 47953), (2428, 26623)]