1275993868

素因数分解:

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

素因数の和:311

約数の個数: 72

約数和(自身を含む): 2469051200

約数和(自身を除く): 1193057332

約数列:

[1, 2, 4, 19, 38, 43, 53, 76, 86, 106, 139, 172, 212, 278, 556, 817, 1007, 1634, 2014, 2279, 2641, 2809, 3268, 4028, 4558, 5282, 5618, 5977, 7367, 9116, 10564, 11236, 11954, 14734, 23908, 29468, 43301, 53371, 86602, 106742, 113563, 120787, 139973, 173204, 213484, 227126, 241574, 279946, 316781, 390451, 454252, 483148, 559892, 633562, 780902, 1267124, 1561804, 2294953, 4589906, 6018839, 7418569, 9179812, 12037678, 14837138, 16789393, 24075356, 29674276, 33578786, 67157572, 318998467, 637996934, 1275993868]

約数ペア:

[(1, 1275993868), (2, 637996934), (4, 318998467), (19, 67157572), (38, 33578786), (43, 29674276), (53, 24075356), (76, 16789393), (86, 14837138), (106, 12037678), (139, 9179812), (172, 7418569), (212, 6018839), (278, 4589906), (556, 2294953), (817, 1561804), (1007, 1267124), (1634, 780902), (2014, 633562), (2279, 559892), (2641, 483148), (2809, 454252), (3268, 390451), (4028, 316781), (4558, 279946), (5282, 241574), (5618, 227126), (5977, 213484), (7367, 173204), (9116, 139973), (10564, 120787), (11236, 113563), (11954, 106742), (14734, 86602), (23908, 53371), (29468, 43301)]