9780138248

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{571}}^1\times {\mathrm{18947}}^1$

素因数の和:19637

約数の個数: 32

約数和(自身を含む): 18533417760

約数和(自身を除く): 8753279512

約数列:

[1, 2, 4, 8, 113, 226, 452, 571, 904, 1142, 2284, 4568, 18947, 37894, 64523, 75788, 129046, 151576, 258092, 516184, 2141011, 4282022, 8564044, 10818737, 17128088, 21637474, 43274948, 86549896, 1222517281, 2445034562, 4890069124, 9780138248]

約数ペア:

[(1, 9780138248), (2, 4890069124), (4, 2445034562), (8, 1222517281), (113, 86549896), (226, 43274948), (452, 21637474), (571, 17128088), (904, 10818737), (1142, 8564044), (2284, 4282022), (4568, 2141011), (18947, 516184), (37894, 258092), (64523, 151576), (75788, 129046)]