221528390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{16253}}^1$

素因数の和:16336

約数の個数: 32

約数和(自身を含む): 421303680

約数和(自身を除く): 199775290

約数列:

[1, 2, 5, 10, 29, 47, 58, 94, 145, 235, 290, 470, 1363, 2726, 6815, 13630, 16253, 32506, 81265, 162530, 471337, 763891, 942674, 1527782, 2356685, 3819455, 4713370, 7638910, 22152839, 44305678, 110764195, 221528390]

約数ペア:

[(1, 221528390), (2, 110764195), (5, 44305678), (10, 22152839), (29, 7638910), (47, 4713370), (58, 3819455), (94, 2356685), (145, 1527782), (235, 942674), (290, 763891), (470, 471337), (1363, 162530), (2726, 81265), (6815, 32506), (13630, 16253)]