399721564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{26641}}^1$

素因数の和:26698

約数の個数: 36

約数和(自身を含む): 793718464

約数和(自身を除く): 393996900

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1364, 3751, 7502, 15004, 26641, 53282, 106564, 293051, 586102, 825871, 1172204, 1651742, 3223561, 3303484, 6447122, 9084581, 12894244, 18169162, 36338324, 99930391, 199860782, 399721564]

約数ペア:

[(1, 399721564), (2, 199860782), (4, 99930391), (11, 36338324), (22, 18169162), (31, 12894244), (44, 9084581), (62, 6447122), (121, 3303484), (124, 3223561), (242, 1651742), (341, 1172204), (484, 825871), (682, 586102), (1364, 293051), (3751, 106564), (7502, 53282), (15004, 26641)]