218530156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{40801}}^1$

素因数の和:40921

約数の個数: 24

約数和(自身を含む): 415853984

約数和(自身を除く): 197323828

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 40801, 81602, 163204, 530413, 1060826, 2121652, 4202503, 8405006, 16810012, 54632539, 109265078, 218530156]

約数ペア:

[(1, 218530156), (2, 109265078), (4, 54632539), (13, 16810012), (26, 8405006), (52, 4202503), (103, 2121652), (206, 1060826), (412, 530413), (1339, 163204), (2678, 81602), (5356, 40801)]