31399390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2179}}^1$

素因数の和:2328

約数の個数: 32

約数和(自身を含む): 62156160

約数和(自身を除く): 30756770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2179, 2882, 4358, 7205, 10895, 14410, 21790, 23969, 47938, 119845, 239690, 285449, 570898, 1427245, 2854490, 3139939, 6279878, 15699695, 31399390]

約数ペア:

[(1, 31399390), (2, 15699695), (5, 6279878), (10, 3139939), (11, 2854490), (22, 1427245), (55, 570898), (110, 285449), (131, 239690), (262, 119845), (655, 47938), (1310, 23969), (1441, 21790), (2179, 14410), (2882, 10895), (4358, 7205)]