637996934

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 1058164800

約数和(自身を除く): 420167866

約数列:

[1, 2, 19, 38, 43, 53, 86, 106, 139, 278, 817, 1007, 1634, 2014, 2279, 2641, 2809, 4558, 5282, 5618, 5977, 7367, 11954, 14734, 43301, 53371, 86602, 106742, 113563, 120787, 139973, 227126, 241574, 279946, 316781, 390451, 633562, 780902, 2294953, 4589906, 6018839, 7418569, 12037678, 14837138, 16789393, 33578786, 318998467, 637996934]

約数ペア:

[(1, 637996934), (2, 318998467), (19, 33578786), (38, 16789393), (43, 14837138), (53, 12037678), (86, 7418569), (106, 6018839), (139, 4589906), (278, 2294953), (817, 780902), (1007, 633562), (1634, 390451), (2014, 316781), (2279, 279946), (2641, 241574), (2809, 227126), (4558, 139973), (5282, 120787), (5618, 113563), (5977, 106742), (7367, 86602), (11954, 53371), (14734, 43301)]