31308438

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20147}}^1$

素因数の和:20196

約数の個数: 32

約数和(自身を含む): 73499904

約数和(自身を除く): 42191466

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 20147, 40294, 60441, 120882, 141029, 282058, 423087, 745439, 846174, 1490878, 2236317, 4472634, 5218073, 10436146, 15654219, 31308438]

約数ペア:

[(1, 31308438), (2, 15654219), (3, 10436146), (6, 5218073), (7, 4472634), (14, 2236317), (21, 1490878), (37, 846174), (42, 745439), (74, 423087), (111, 282058), (222, 141029), (259, 120882), (518, 60441), (777, 40294), (1554, 20147)]