201990904

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{191}}^1\times {\mathrm{811}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 383523840

約数和(自身を除く): 181532936

約数列:

[1, 2, 4, 8, 163, 191, 326, 382, 652, 764, 811, 1304, 1528, 1622, 3244, 6488, 31133, 62266, 124532, 132193, 154901, 249064, 264386, 309802, 528772, 619604, 1057544, 1239208, 25248863, 50497726, 100995452, 201990904]

約数ペア:

[(1, 201990904), (2, 100995452), (4, 50497726), (8, 25248863), (163, 1239208), (191, 1057544), (326, 619604), (382, 528772), (652, 309802), (764, 264386), (811, 249064), (1304, 154901), (1528, 132193), (1622, 124532), (3244, 62266), (6488, 31133)]