201011905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 260029440

約数和(自身を除く): 59017535

約数列:

[1, 5, 29, 31, 145, 155, 197, 227, 899, 985, 1135, 4495, 5713, 6107, 6583, 7037, 28565, 30535, 32915, 35185, 44719, 177103, 204073, 223595, 885515, 1020365, 1296851, 1386289, 6484255, 6931445, 40202381, 201011905]

約数ペア:

[(1, 201011905), (5, 40202381), (29, 6931445), (31, 6484255), (145, 1386289), (155, 1296851), (197, 1020365), (227, 885515), (899, 223595), (985, 204073), (1135, 177103), (4495, 44719), (5713, 35185), (6107, 32915), (6583, 30535), (7037, 28565)]