1231508

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 2269512

約数和(自身を除く): 1038004

約数列:

[1, 2, 4, 37, 53, 74, 106, 148, 157, 212, 314, 628, 1961, 3922, 5809, 7844, 8321, 11618, 16642, 23236, 33284, 307877, 615754, 1231508]

約数ペア:

[(1, 1231508), (2, 615754), (4, 307877), (37, 33284), (53, 23236), (74, 16642), (106, 11618), (148, 8321), (157, 7844), (212, 5809), (314, 3922), (628, 1961)]