3898895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:96

約数の個数: 64

約数和(自身を含む): 6773760

約数和(自身を除く): 2874865

約数列:

[1, 5, 7, 11, 13, 19, 35, 41, 55, 65, 77, 91, 95, 133, 143, 205, 209, 247, 287, 385, 451, 455, 533, 665, 715, 779, 1001, 1045, 1235, 1435, 1463, 1729, 2255, 2665, 2717, 3157, 3731, 3895, 5005, 5453, 5863, 7315, 8569, 8645, 10127, 13585, 15785, 18655, 19019, 27265, 29315, 41041, 42845, 50635, 59983, 70889, 95095, 111397, 205205, 299915, 354445, 556985, 779779, 3898895]

約数ペア:

[(1, 3898895), (5, 779779), (7, 556985), (11, 354445), (13, 299915), (19, 205205), (35, 111397), (41, 95095), (55, 70889), (65, 59983), (77, 50635), (91, 42845), (95, 41041), (133, 29315), (143, 27265), (205, 19019), (209, 18655), (247, 15785), (287, 13585), (385, 10127), (451, 8645), (455, 8569), (533, 7315), (665, 5863), (715, 5453), (779, 5005), (1001, 3895), (1045, 3731), (1235, 3157), (1435, 2717), (1463, 2665), (1729, 2255)]