165725608

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{2539}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 320040000

約数和(自身を除く): 154314392

約数列:

[1, 2, 4, 8, 41, 82, 164, 199, 328, 398, 796, 1592, 2539, 5078, 8159, 10156, 16318, 20312, 32636, 65272, 104099, 208198, 416396, 505261, 832792, 1010522, 2021044, 4042088, 20715701, 41431402, 82862804, 165725608]

約数ペア:

[(1, 165725608), (2, 82862804), (4, 41431402), (8, 20715701), (41, 4042088), (82, 2021044), (164, 1010522), (199, 832792), (328, 505261), (398, 416396), (796, 208198), (1592, 104099), (2539, 65272), (5078, 32636), (8159, 20312), (10156, 16318)]