220172984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{5107}}^1$

素因数の和:5447

約数の個数: 32

約数和(自身を含む): 438572880

約数和(自身を除く): 218399896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 317, 634, 1268, 2536, 5107, 5389, 10214, 10778, 20428, 21556, 40856, 43112, 86819, 173638, 347276, 694552, 1618919, 3237838, 6475676, 12951352, 27521623, 55043246, 110086492, 220172984]

約数ペア:

[(1, 220172984), (2, 110086492), (4, 55043246), (8, 27521623), (17, 12951352), (34, 6475676), (68, 3237838), (136, 1618919), (317, 694552), (634, 347276), (1268, 173638), (2536, 86819), (5107, 43112), (5389, 40856), (10214, 21556), (10778, 20428)]