2728262425

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131009}}^1$

素因数の和:131050

約数の個数: 36

約数和(自身を含む): 4166904060

約数和(自身を除く): 1438641635

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 833, 1225, 2975, 4165, 20825, 131009, 655045, 917063, 2227153, 3275225, 4585315, 6419441, 11135765, 15590071, 22926575, 32097205, 55678825, 77950355, 109130497, 160486025, 389751775, 545652485, 2728262425]

約数ペア:

[(1, 2728262425), (5, 545652485), (7, 389751775), (17, 160486025), (25, 109130497), (35, 77950355), (49, 55678825), (85, 32097205), (119, 22926575), (175, 15590071), (245, 11135765), (425, 6419441), (595, 4585315), (833, 3275225), (1225, 2227153), (2975, 917063), (4165, 655045), (20825, 131009)]