280328489

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 347001600

約数和(自身を除く): 66673111

約数列:

[1, 7, 19, 61, 109, 133, 317, 427, 763, 1159, 2071, 2219, 6023, 6649, 8113, 14497, 19337, 34553, 42161, 46543, 126331, 135359, 241871, 367403, 656507, 884317, 2107733, 2571821, 4595549, 14754131, 40046927, 280328489]

約数ペア:

[(1, 280328489), (7, 40046927), (19, 14754131), (61, 4595549), (109, 2571821), (133, 2107733), (317, 884317), (427, 656507), (763, 367403), (1159, 241871), (2071, 135359), (2219, 126331), (6023, 46543), (6649, 42161), (8113, 34553), (14497, 19337)]