123390215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 167590080

約数和(自身を除く): 44199865

約数列:

[1, 5, 13, 29, 65, 67, 145, 335, 377, 871, 977, 1885, 1943, 4355, 4885, 9715, 12701, 25259, 28333, 63505, 65459, 126295, 141665, 327295, 368329, 850967, 1841645, 1898311, 4254835, 9491555, 24678043, 123390215]

約数ペア:

[(1, 123390215), (5, 24678043), (13, 9491555), (29, 4254835), (65, 1898311), (67, 1841645), (145, 850967), (335, 368329), (377, 327295), (871, 141665), (977, 126295), (1885, 65459), (1943, 63505), (4355, 28333), (4885, 25259), (9715, 12701)]