172142425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4451}}^1$

素因数の和:4498

約数の個数: 48

約数和(自身を含む): 278232192

約数和(自身を除く): 106089767

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 2275, 2975, 4451, 5525, 7735, 22255, 31157, 38675, 57863, 75667, 111275, 155785, 289315, 378335, 405041, 529669, 778925, 983671, 1446575, 1891675, 2025205, 2648345, 4918355, 6885697, 10126025, 13241725, 24591775, 34428485, 172142425]

約数ペア:

[(1, 172142425), (5, 34428485), (7, 24591775), (13, 13241725), (17, 10126025), (25, 6885697), (35, 4918355), (65, 2648345), (85, 2025205), (91, 1891675), (119, 1446575), (175, 983671), (221, 778925), (325, 529669), (425, 405041), (455, 378335), (595, 289315), (1105, 155785), (1547, 111275), (2275, 75667), (2975, 57863), (4451, 38675), (5525, 31157), (7735, 22255)]