7782005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:110

約数の個数: 64

約数和(自身を含む): 13063680

約数和(自身を除く): 5281675

約数列:

[1, 5, 7, 11, 17, 29, 35, 41, 55, 77, 85, 119, 145, 187, 203, 205, 287, 319, 385, 451, 493, 595, 697, 935, 1015, 1189, 1309, 1435, 1595, 2233, 2255, 2465, 3157, 3451, 3485, 4879, 5423, 5945, 6545, 7667, 8323, 11165, 13079, 15785, 17255, 20213, 24395, 27115, 37961, 38335, 41615, 53669, 65395, 91553, 101065, 141491, 189805, 222343, 268345, 457765, 707455, 1111715, 1556401, 7782005]

約数ペア:

[(1, 7782005), (5, 1556401), (7, 1111715), (11, 707455), (17, 457765), (29, 268345), (35, 222343), (41, 189805), (55, 141491), (77, 101065), (85, 91553), (119, 65395), (145, 53669), (187, 41615), (203, 38335), (205, 37961), (287, 27115), (319, 24395), (385, 20213), (451, 17255), (493, 15785), (595, 13079), (697, 11165), (935, 8323), (1015, 7667), (1189, 6545), (1309, 5945), (1435, 5423), (1595, 4879), (2233, 3485), (2255, 3451), (2465, 3157)]