2019025525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:934

約数の個数: 48

約数和(自身を含む): 2811445056

約数和(自身を除く): 792419531

約数列:

[1, 5, 11, 25, 41, 55, 205, 275, 331, 451, 541, 1025, 1655, 2255, 2705, 3641, 5951, 8275, 11275, 13525, 13571, 18205, 22181, 29755, 67855, 91025, 110905, 148775, 149281, 179071, 243991, 339275, 554525, 746405, 895355, 1219955, 1969781, 3732025, 4476775, 6099775, 7341911, 9848905, 36709555, 49244525, 80761021, 183547775, 403805105, 2019025525]

約数ペア:

[(1, 2019025525), (5, 403805105), (11, 183547775), (25, 80761021), (41, 49244525), (55, 36709555), (205, 9848905), (275, 7341911), (331, 6099775), (451, 4476775), (541, 3732025), (1025, 1969781), (1655, 1219955), (2255, 895355), (2705, 746405), (3641, 554525), (5951, 339275), (8275, 243991), (11275, 179071), (13525, 149281), (13571, 148775), (18205, 110905), (22181, 91025), (29755, 67855)]