12891515

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 19716480

約数和(自身を除く): 6824965

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 977, 1015, 1885, 2639, 4885, 6839, 12701, 13195, 28333, 34195, 63505, 88907, 141665, 198331, 368329, 444535, 991655, 1841645, 2578303, 12891515]

約数ペア:

[(1, 12891515), (5, 2578303), (7, 1841645), (13, 991655), (29, 444535), (35, 368329), (65, 198331), (91, 141665), (145, 88907), (203, 63505), (377, 34195), (455, 28333), (977, 13195), (1015, 12701), (1885, 6839), (2639, 4885)]