87537218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2222

約数の個数: 32

約数和(自身を含む): 147363840

約数和(自身を除く): 59826622

約数列:

[1, 2, 19, 23, 38, 46, 47, 94, 437, 874, 893, 1081, 1786, 2131, 2162, 4262, 20539, 40489, 41078, 49013, 80978, 98026, 100157, 200314, 931247, 1862494, 1902983, 2303611, 3805966, 4607222, 43768609, 87537218]

約数ペア:

[(1, 87537218), (2, 43768609), (19, 4607222), (23, 3805966), (38, 2303611), (46, 1902983), (47, 1862494), (94, 931247), (437, 200314), (874, 100157), (893, 98026), (1081, 80978), (1786, 49013), (2131, 41078), (2162, 40489), (4262, 20539)]