198493390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2341}}^1$

素因数の和:2548

約数の個数: 32

約数和(自身を含む): 365914080

約数和(自身を除く): 167420690

約数列:

[1, 2, 5, 10, 61, 122, 139, 278, 305, 610, 695, 1390, 2341, 4682, 8479, 11705, 16958, 23410, 42395, 84790, 142801, 285602, 325399, 650798, 714005, 1428010, 1626995, 3253990, 19849339, 39698678, 99246695, 198493390]

約数ペア:

[(1, 198493390), (2, 99246695), (5, 39698678), (10, 19849339), (61, 3253990), (122, 1626995), (139, 1428010), (278, 714005), (305, 650798), (610, 325399), (695, 285602), (1390, 142801), (2341, 84790), (4682, 42395), (8479, 23410), (11705, 16958)]