198889490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{641579}}^1$

素因数の和:641617

約数の個数: 16

約数和(自身を含む): 369550080

約数和(自身を除く): 170660590

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 641579, 1283158, 3207895, 6415790, 19888949, 39777898, 99444745, 198889490]

約数ペア:

[(1, 198889490), (2, 99444745), (5, 39777898), (10, 19888949), (31, 6415790), (62, 3207895), (155, 1283158), (310, 641579)]