31280868

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{21193}}^1$

素因数の和:21244

約数の個数: 36

約数和(自身を含む): 81003468

約数和(自身を除く): 49722600

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 21193, 42386, 63579, 84772, 127158, 190737, 254316, 381474, 762948, 868913, 1737826, 2606739, 3475652, 5213478, 7820217, 10426956, 15640434, 31280868]

約数ペア:

[(1, 31280868), (2, 15640434), (3, 10426956), (4, 7820217), (6, 5213478), (9, 3475652), (12, 2606739), (18, 1737826), (36, 868913), (41, 762948), (82, 381474), (123, 254316), (164, 190737), (246, 127158), (369, 84772), (492, 63579), (738, 42386), (1476, 21193)]