220179952

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{4051}}^1$

素因数の和:4181

約数の個数: 40

約数和(自身を含む): 442154240

約数和(自身を除く): 221974288

約数列:

[1, 2, 4, 8, 16, 43, 79, 86, 158, 172, 316, 344, 632, 688, 1264, 3397, 4051, 6794, 8102, 13588, 16204, 27176, 32408, 54352, 64816, 174193, 320029, 348386, 640058, 696772, 1280116, 1393544, 2560232, 2787088, 5120464, 13761247, 27522494, 55044988, 110089976, 220179952]

約数ペア:

[(1, 220179952), (2, 110089976), (4, 55044988), (8, 27522494), (16, 13761247), (43, 5120464), (79, 2787088), (86, 2560232), (158, 1393544), (172, 1280116), (316, 696772), (344, 640058), (632, 348386), (688, 320029), (1264, 174193), (3397, 64816), (4051, 54352), (6794, 32408), (8102, 27176), (13588, 16204)]