221704652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1861}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 437942400

約数和(自身を除く): 216237748

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 79, 116, 158, 316, 377, 754, 1027, 1508, 1861, 2054, 2291, 3722, 4108, 4582, 7444, 9164, 24193, 29783, 48386, 53969, 59566, 96772, 107938, 119132, 147019, 215876, 294038, 588076, 701597, 1403194, 1911247, 2806388, 3822494, 4263551, 7644988, 8527102, 17054204, 55426163, 110852326, 221704652]

約数ペア:

[(1, 221704652), (2, 110852326), (4, 55426163), (13, 17054204), (26, 8527102), (29, 7644988), (52, 4263551), (58, 3822494), (79, 2806388), (116, 1911247), (158, 1403194), (316, 701597), (377, 588076), (754, 294038), (1027, 215876), (1508, 147019), (1861, 119132), (2054, 107938), (2291, 96772), (3722, 59566), (4108, 53969), (4582, 48386), (7444, 29783), (9164, 24193)]