655126064

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{163129}}^1$

素因数の和:163388

約数の個数: 20

約数和(自身を含む): 1274371560

約数和(自身を除く): 619245496

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 163129, 326258, 652516, 1305032, 2610064, 40945379, 81890758, 163781516, 327563032, 655126064]

約数ペア:

[(1, 655126064), (2, 327563032), (4, 163781516), (8, 81890758), (16, 40945379), (251, 2610064), (502, 1305032), (1004, 652516), (2008, 326258), (4016, 163129)]