123416456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{1621}}^1$

素因数の和:1965

約数の個数: 32

約数和(自身を含む): 239796480

約数和(自身を除く): 116380024

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 307, 614, 1228, 1621, 2456, 3242, 6484, 9517, 12968, 19034, 38068, 50251, 76136, 100502, 201004, 402008, 497647, 995294, 1990588, 3981176, 15427057, 30854114, 61708228, 123416456]

約数ペア:

[(1, 123416456), (2, 61708228), (4, 30854114), (8, 15427057), (31, 3981176), (62, 1990588), (124, 995294), (248, 497647), (307, 402008), (614, 201004), (1228, 100502), (1621, 76136), (2456, 50251), (3242, 38068), (6484, 19034), (9517, 12968)]