201985904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{90821}}^1$

素因数の和:90968

約数の個数: 20

約数和(自身を含む): 394167480

約数和(自身を除く): 192181576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 90821, 181642, 363284, 726568, 1453136, 12624119, 25248238, 50496476, 100992952, 201985904]

約数ペア:

[(1, 201985904), (2, 100992952), (4, 50496476), (8, 25248238), (16, 12624119), (139, 1453136), (278, 726568), (556, 363284), (1112, 181642), (2224, 90821)]