641821910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:881

約数の個数: 64

約数和(自身を含む): 1273475520

約数和(自身を除く): 631653610

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 211, 290, 422, 493, 617, 986, 1055, 1234, 2110, 2465, 3085, 3587, 4930, 6119, 6170, 7174, 10489, 12238, 17893, 17935, 20978, 30595, 35786, 35870, 52445, 61190, 89465, 104023, 104890, 130187, 178930, 208046, 260374, 304181, 520115, 608362, 650935, 1040230, 1301870, 1520905, 2213179, 3041810, 3775423, 4426358, 7550846, 11065895, 18877115, 22131790, 37754230, 64182191, 128364382, 320910955, 641821910]

約数ペア:

[(1, 641821910), (2, 320910955), (5, 128364382), (10, 64182191), (17, 37754230), (29, 22131790), (34, 18877115), (58, 11065895), (85, 7550846), (145, 4426358), (170, 3775423), (211, 3041810), (290, 2213179), (422, 1520905), (493, 1301870), (617, 1040230), (986, 650935), (1055, 608362), (1234, 520115), (2110, 304181), (2465, 260374), (3085, 208046), (3587, 178930), (4930, 130187), (6119, 104890), (6170, 104023), (7174, 89465), (10489, 61190), (12238, 52445), (17893, 35870), (17935, 35786), (20978, 30595)]