320289334

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{20101}}^1$

素因数の和:20391

約数の個数: 16

約数和(自身を含む): 497886336

約数和(自身を除く): 177597002

約数列:

[1, 2, 31, 62, 257, 514, 7967, 15934, 20101, 40202, 623131, 1246262, 5165957, 10331914, 160144667, 320289334]

約数ペア:

[(1, 320289334), (2, 160144667), (31, 10331914), (62, 5165957), (257, 1246262), (514, 623131), (7967, 40202), (15934, 20101)]