40200478

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:636

約数の個数: 24

約数和(自身を含む): 64609992

約数和(自身を除く): 24409514

約数列:

[1, 2, 17, 34, 157, 289, 314, 443, 578, 886, 2669, 5338, 7531, 15062, 45373, 69551, 90746, 128027, 139102, 256054, 1182367, 2364734, 20100239, 40200478]

約数ペア:

[(1, 40200478), (2, 20100239), (17, 2364734), (34, 1182367), (157, 256054), (289, 139102), (314, 128027), (443, 90746), (578, 69551), (886, 45373), (2669, 15062), (5338, 7531)]