12784415

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 18385920

約数和(自身を除く): 5601505

約数列:

[1, 5, 7, 35, 41, 59, 151, 205, 287, 295, 413, 755, 1057, 1435, 2065, 2419, 5285, 6191, 8909, 12095, 16933, 30955, 43337, 44545, 62363, 84665, 216685, 311815, 365269, 1826345, 2556883, 12784415]

約数ペア:

[(1, 12784415), (5, 2556883), (7, 1826345), (35, 365269), (41, 311815), (59, 216685), (151, 84665), (205, 62363), (287, 44545), (295, 43337), (413, 30955), (755, 16933), (1057, 12095), (1435, 8909), (2065, 6191), (2419, 5285)]