201097990

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{123373}}^1$

素因数の和:123543

約数の個数: 16

約数和(自身を含む): 364200048

約数和(自身を除く): 163102058

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 123373, 246746, 616865, 1233730, 20109799, 40219598, 100548995, 201097990]

約数ペア:

[(1, 201097990), (2, 100548995), (5, 40219598), (10, 20109799), (163, 1233730), (326, 616865), (815, 246746), (1630, 123373)]