7741940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12487}}^1$

素因数の和:12527

約数の個数: 24

約数和(自身を含む): 16783872

約数和(自身を除く): 9041932

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 12487, 24974, 49948, 62435, 124870, 249740, 387097, 774194, 1548388, 1935485, 3870970, 7741940]

約数ペア:

[(1, 7741940), (2, 3870970), (4, 1935485), (5, 1548388), (10, 774194), (20, 387097), (31, 249740), (62, 124870), (124, 62435), (155, 49948), (310, 24974), (620, 12487)]