87481814

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 164551680

約数和(自身を除く): 77069866

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 103, 133, 206, 217, 266, 434, 589, 721, 1178, 1442, 1957, 3193, 3914, 4123, 6386, 8246, 10609, 13699, 21218, 22351, 27398, 44702, 60667, 74263, 121334, 148526, 201571, 328879, 403142, 424669, 657758, 849338, 1410997, 2302153, 2821994, 4604306, 6248701, 12497402, 43740907, 87481814]

約数ペア:

[(1, 87481814), (2, 43740907), (7, 12497402), (14, 6248701), (19, 4604306), (31, 2821994), (38, 2302153), (62, 1410997), (103, 849338), (133, 657758), (206, 424669), (217, 403142), (266, 328879), (434, 201571), (589, 148526), (721, 121334), (1178, 74263), (1442, 60667), (1957, 44702), (3193, 27398), (3914, 22351), (4123, 21218), (6386, 13699), (8246, 10609)]