280031647

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{19543}}^1$

素因数の和:19662

約数の個数: 16

約数和(自身を含む): 337720320

約数和(自身を除く): 57688673

約数列:

[1, 7, 23, 89, 161, 623, 2047, 14329, 19543, 136801, 449489, 1739327, 3146423, 12175289, 40004521, 280031647]

約数ペア:

[(1, 280031647), (7, 40004521), (23, 12175289), (89, 3146423), (161, 1739327), (623, 449489), (2047, 136801), (14329, 19543)]