261423404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{4253}}^1$

素因数の和:4406

約数の個数: 36

約数和(自身を含む): 506940672

約数和(自身を除く): 245517268

約数列:

[1, 2, 4, 11, 22, 44, 121, 127, 242, 254, 484, 508, 1397, 2794, 4253, 5588, 8506, 15367, 17012, 30734, 46783, 61468, 93566, 187132, 514613, 540131, 1029226, 1080262, 2058452, 2160524, 5941441, 11882882, 23765764, 65355851, 130711702, 261423404]

約数ペア:

[(1, 261423404), (2, 130711702), (4, 65355851), (11, 23765764), (22, 11882882), (44, 5941441), (121, 2160524), (127, 2058452), (242, 1080262), (254, 1029226), (484, 540131), (508, 514613), (1397, 187132), (2794, 93566), (4253, 61468), (5588, 46783), (8506, 30734), (15367, 17012)]