8737970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 16505856

約数和(自身を除く): 7767886

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 397, 710, 794, 1985, 2201, 3970, 4402, 11005, 12307, 22010, 24614, 28187, 56374, 61535, 123070, 140935, 281870, 873797, 1747594, 4368985, 8737970]

約数ペア:

[(1, 8737970), (2, 4368985), (5, 1747594), (10, 873797), (31, 281870), (62, 140935), (71, 123070), (142, 61535), (155, 56374), (310, 28187), (355, 24614), (397, 22010), (710, 12307), (794, 11005), (1985, 4402), (2201, 3970)]