645093415

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{691}}^1$

素因数の和:1063

約数の個数: 32

約数和(自身を含む): 845015040

約数和(自身を除く): 199921625

約数列:

[1, 5, 19, 31, 95, 155, 317, 589, 691, 1585, 2945, 3455, 6023, 9827, 13129, 21421, 30115, 49135, 65645, 107105, 186713, 219047, 406999, 933565, 1095235, 2034995, 4161893, 6790457, 20809465, 33952285, 129018683, 645093415]

約数ペア:

[(1, 645093415), (5, 129018683), (19, 33952285), (31, 20809465), (95, 6790457), (155, 4161893), (317, 2034995), (589, 1095235), (691, 933565), (1585, 406999), (2945, 219047), (3455, 186713), (6023, 107105), (9827, 65645), (13129, 49135), (21421, 30115)]