68741905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{2357}}^1$

素因数の和:2688

約数の個数: 16

約数和(自身を含む): 87151680

約数和(自身を除く): 18409775

約数列:

[1, 5, 19, 95, 307, 1535, 2357, 5833, 11785, 29165, 44783, 223915, 723599, 3617995, 13748381, 68741905]

約数ペア:

[(1, 68741905), (5, 13748381), (19, 3617995), (95, 723599), (307, 223915), (1535, 44783), (2357, 29165), (5833, 11785)]