28700665

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 41596416

約数和(自身を除く): 12895751

約数列:

[1, 5, 7, 23, 35, 101, 115, 161, 353, 505, 707, 805, 1765, 2323, 2471, 3535, 8119, 11615, 12355, 16261, 35653, 40595, 56833, 81305, 178265, 249571, 284165, 820019, 1247855, 4100095, 5740133, 28700665]

約数ペア:

[(1, 28700665), (5, 5740133), (7, 4100095), (23, 1247855), (35, 820019), (101, 284165), (115, 249571), (161, 178265), (353, 81305), (505, 56833), (707, 40595), (805, 35653), (1765, 16261), (2323, 12355), (2471, 11615), (3535, 8119)]