128877546

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{787}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 300757536

約数和(自身を除く): 171879990

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 557, 787, 1114, 1574, 1671, 2361, 3342, 3899, 4722, 5509, 7798, 11018, 11697, 16527, 23394, 27293, 33054, 38563, 54586, 77126, 81879, 115689, 163758, 231378, 438359, 876718, 1315077, 2630154, 3068513, 6137026, 9205539, 18411078, 21479591, 42959182, 64438773, 128877546]

約数ペア:

[(1, 128877546), (2, 64438773), (3, 42959182), (6, 21479591), (7, 18411078), (14, 9205539), (21, 6137026), (42, 3068513), (49, 2630154), (98, 1315077), (147, 876718), (294, 438359), (557, 231378), (787, 163758), (1114, 115689), (1574, 81879), (1671, 77126), (2361, 54586), (3342, 38563), (3899, 33054), (4722, 27293), (5509, 23394), (7798, 16527), (11018, 11697)]