68966705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21929}}^1$

素因数の和:21988

約数の個数: 16

約数和(自身を含む): 90000720

約数和(自身を除く): 21034015

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 21929, 109645, 372793, 811373, 1863965, 4056865, 13793341, 68966705]

約数ペア:

[(1, 68966705), (5, 13793341), (17, 4056865), (37, 1863965), (85, 811373), (185, 372793), (629, 109645), (3145, 21929)]