15690978653

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 18475776000

約数和(自身を除く): 2784797347

約数列:

[1, 7, 53, 131, 371, 499, 647, 917, 3493, 4529, 6943, 26447, 34291, 48601, 65369, 84757, 185129, 240037, 322853, 457583, 593299, 2259971, 3464557, 4492121, 17111209, 24251899, 31444847, 42293743, 119778463, 296056201, 2241568379, 15690978653]

約数ペア:

[(1, 15690978653), (7, 2241568379), (53, 296056201), (131, 119778463), (371, 42293743), (499, 31444847), (647, 24251899), (917, 17111209), (3493, 4492121), (4529, 3464557), (6943, 2259971), (26447, 593299), (34291, 457583), (48601, 322853), (65369, 240037), (84757, 185129)]