172355555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{857}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 228571200

約数和(自身を除く): 56215645

約数列:

[1, 5, 19, 29, 73, 95, 145, 365, 551, 857, 1387, 2117, 2755, 4285, 6935, 10585, 16283, 24853, 40223, 62561, 81415, 124265, 201115, 312805, 472207, 1188659, 1814269, 2361035, 5943295, 9071345, 34471111, 172355555]

約数ペア:

[(1, 172355555), (5, 34471111), (19, 9071345), (29, 5943295), (73, 2361035), (95, 1814269), (145, 1188659), (365, 472207), (551, 312805), (857, 201115), (1387, 124265), (2117, 81415), (2755, 62561), (4285, 40223), (6935, 24853), (10585, 16283)]