13370245

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 20279808

約数和(自身を除く): 6909563

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 977, 1955, 2737, 4885, 6839, 13685, 16609, 22471, 34195, 83045, 112355, 116263, 157297, 382007, 581315, 786485, 1910035, 2674049, 13370245]

約数ペア:

[(1, 13370245), (5, 2674049), (7, 1910035), (17, 786485), (23, 581315), (35, 382007), (85, 157297), (115, 116263), (119, 112355), (161, 83045), (391, 34195), (595, 22471), (805, 16609), (977, 13685), (1955, 6839), (2737, 4885)]