12639305

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2243}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 18418752

約数和(自身を除く): 5779447

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 2243, 5635, 11215, 15701, 51589, 78505, 109907, 257945, 361123, 549535, 1805615, 2527861, 12639305]

約数ペア:

[(1, 12639305), (5, 2527861), (7, 1805615), (23, 549535), (35, 361123), (49, 257945), (115, 109907), (161, 78505), (245, 51589), (805, 15701), (1127, 11215), (2243, 5635)]