16981176485

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{98473}}^1$

素因数の和:98877

約数の個数: 32

約数和(自身を含む): 25146320640

約数和(自身を除く): 8165144155

約数列:

[1, 5, 7, 13, 35, 65, 91, 379, 455, 1895, 2653, 4927, 13265, 24635, 34489, 98473, 172445, 492365, 689311, 1280149, 3446555, 6400745, 8961043, 37321267, 44805215, 186606335, 261248869, 485176471, 1306244345, 2425882355, 3396235297, 16981176485]

約数ペア:

[(1, 16981176485), (5, 3396235297), (7, 2425882355), (13, 1306244345), (35, 485176471), (65, 261248869), (91, 186606335), (379, 44805215), (455, 37321267), (1895, 8961043), (2653, 6400745), (4927, 3446555), (13265, 1280149), (24635, 689311), (34489, 492365), (98473, 172445)]