1280294834

素因数分解:

$2^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{20509}}^1$

素因数の和:20552

約数の個数: 40

約数和(自身を含む): 2412837420

約数和(自身を除く): 1132542586

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2401, 4459, 4802, 8918, 20509, 31213, 41018, 62426, 143563, 266617, 287126, 533234, 1004941, 1866319, 2009882, 3732638, 7034587, 13064233, 14069174, 26128466, 49242109, 91449631, 98484218, 182899262, 640147417, 1280294834]

約数ペア:

[(1, 1280294834), (2, 640147417), (7, 182899262), (13, 98484218), (14, 91449631), (26, 49242109), (49, 26128466), (91, 14069174), (98, 13064233), (182, 7034587), (343, 3732638), (637, 2009882), (686, 1866319), (1274, 1004941), (2401, 533234), (4459, 287126), (4802, 266617), (8918, 143563), (20509, 62426), (31213, 41018)]