157225775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1289}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 241859520

約数和(自身を除く): 84633745

約数列:

[1, 5, 7, 17, 25, 35, 41, 85, 119, 175, 205, 287, 425, 595, 697, 1025, 1289, 1435, 2975, 3485, 4879, 6445, 7175, 9023, 17425, 21913, 24395, 32225, 45115, 52849, 109565, 121975, 153391, 225575, 264245, 369943, 547825, 766955, 898433, 1321225, 1849715, 3834775, 4492165, 6289031, 9248575, 22460825, 31445155, 157225775]

約数ペア:

[(1, 157225775), (5, 31445155), (7, 22460825), (17, 9248575), (25, 6289031), (35, 4492165), (41, 3834775), (85, 1849715), (119, 1321225), (175, 898433), (205, 766955), (287, 547825), (425, 369943), (595, 264245), (697, 225575), (1025, 153391), (1289, 121975), (1435, 109565), (2975, 52849), (3485, 45115), (4879, 32225), (6445, 24395), (7175, 21913), (9023, 17425)]