245865475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{2251}}^1$

素因数の和:2535

約数の個数: 24

約数和(自身を含む): 324206928

約数和(自身を除く): 78341453

約数列:

[1, 5, 17, 25, 85, 257, 425, 1285, 2251, 4369, 6425, 11255, 21845, 38267, 56275, 109225, 191335, 578507, 956675, 2892535, 9834619, 14462675, 49173095, 245865475]

約数ペア:

[(1, 245865475), (5, 49173095), (17, 14462675), (25, 9834619), (85, 2892535), (257, 956675), (425, 578507), (1285, 191335), (2251, 109225), (4369, 56275), (6425, 38267), (11255, 21845)]