178439188

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{2389}}^1$

素因数の和:2727

約数の個数: 24

約数和(自身を含む): 318003840

約数和(自身を除く): 139564652

約数列:

[1, 2, 4, 71, 142, 263, 284, 526, 1052, 2389, 4778, 9556, 18673, 37346, 74692, 169619, 339238, 628307, 678476, 1256614, 2513228, 44609797, 89219594, 178439188]

約数ペア:

[(1, 178439188), (2, 89219594), (4, 44609797), (71, 2513228), (142, 1256614), (263, 678476), (284, 628307), (526, 339238), (1052, 169619), (2389, 74692), (4778, 37346), (9556, 18673)]