1279897486

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 2266168320

約数和(自身を除く): 986270834

約数列:

[1, 2, 7, 14, 61, 79, 122, 158, 311, 427, 553, 622, 854, 1106, 2177, 3721, 4354, 4819, 7442, 9638, 18971, 24569, 26047, 33733, 37942, 49138, 52094, 67466, 132797, 171983, 265594, 293959, 343966, 587918, 1157231, 1498709, 2057713, 2314462, 2997418, 4115426, 8100617, 10490963, 16201234, 20981926, 91421249, 182842498, 639948743, 1279897486]

約数ペア:

[(1, 1279897486), (2, 639948743), (7, 182842498), (14, 91421249), (61, 20981926), (79, 16201234), (122, 10490963), (158, 8100617), (311, 4115426), (427, 2997418), (553, 2314462), (622, 2057713), (854, 1498709), (1106, 1157231), (2177, 587918), (3721, 343966), (4354, 293959), (4819, 265594), (7442, 171983), (9638, 132797), (18971, 67466), (24569, 52094), (26047, 49138), (33733, 37942)]