9917864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 20766240

約数和(自身を除く): 10848376

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 2621, 3784, 5242, 10484, 20968, 28831, 57662, 112703, 115324, 225406, 230648, 450812, 901624, 1239733, 2479466, 4958932, 9917864]

約数ペア:

[(1, 9917864), (2, 4958932), (4, 2479466), (8, 1239733), (11, 901624), (22, 450812), (43, 230648), (44, 225406), (86, 115324), (88, 112703), (172, 57662), (344, 28831), (473, 20968), (946, 10484), (1892, 5242), (2621, 3784)]