26428857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{739}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 43760640

約数和(自身を除く): 17331783

約数列:

[1, 3, 7, 13, 21, 39, 91, 131, 273, 393, 739, 917, 1703, 2217, 2751, 5109, 5173, 9607, 11921, 15519, 28821, 35763, 67249, 96809, 201747, 290427, 677663, 1258517, 2032989, 3775551, 8809619, 26428857]

約数ペア:

[(1, 26428857), (3, 8809619), (7, 3775551), (13, 2032989), (21, 1258517), (39, 677663), (91, 290427), (131, 201747), (273, 96809), (393, 67249), (739, 35763), (917, 28821), (1703, 15519), (2217, 11921), (2751, 9607), (5109, 5173)]