16211195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 64

約数和(自身を含む): 27095040

約数和(自身を除く): 10883845

約数列:

[1, 5, 7, 11, 13, 35, 41, 55, 65, 77, 79, 91, 143, 205, 287, 385, 395, 451, 455, 533, 553, 715, 869, 1001, 1027, 1435, 2255, 2665, 2765, 3157, 3239, 3731, 4345, 5005, 5135, 5863, 6083, 7189, 11297, 15785, 16195, 18655, 22673, 29315, 30415, 35629, 35945, 41041, 42107, 56485, 79079, 113365, 178145, 205205, 210535, 249403, 294749, 395395, 463177, 1247015, 1473745, 2315885, 3242239, 16211195]

約数ペア:

[(1, 16211195), (5, 3242239), (7, 2315885), (11, 1473745), (13, 1247015), (35, 463177), (41, 395395), (55, 294749), (65, 249403), (77, 210535), (79, 205205), (91, 178145), (143, 113365), (205, 79079), (287, 56485), (385, 42107), (395, 41041), (451, 35945), (455, 35629), (533, 30415), (553, 29315), (715, 22673), (869, 18655), (1001, 16195), (1027, 15785), (1435, 11297), (2255, 7189), (2665, 6083), (2765, 5863), (3157, 5135), (3239, 5005), (3731, 4345)]