12565475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 17946768

約数和(自身を除く): 5381293

約数列:

[1, 5, 13, 23, 25, 41, 65, 115, 205, 299, 325, 533, 575, 943, 1025, 1495, 1681, 2665, 4715, 7475, 8405, 12259, 13325, 21853, 23575, 38663, 42025, 61295, 109265, 193315, 306475, 502619, 546325, 966575, 2513095, 12565475]

約数ペア:

[(1, 12565475), (5, 2513095), (13, 966575), (23, 546325), (25, 502619), (41, 306475), (65, 193315), (115, 109265), (205, 61295), (299, 42025), (325, 38663), (533, 23575), (575, 21853), (943, 13325), (1025, 12259), (1495, 8405), (1681, 7475), (2665, 4715)]