209600209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{619}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 262691520

約数和(自身を除く): 53091311

約数列:

[1, 7, 13, 61, 91, 427, 619, 793, 3721, 4333, 5551, 8047, 26047, 37759, 48373, 56329, 264313, 338611, 490867, 2303299, 3436069, 16123093, 29942887, 209600209]

約数ペア:

[(1, 209600209), (7, 29942887), (13, 16123093), (61, 3436069), (91, 2303299), (427, 490867), (619, 338611), (793, 264313), (3721, 56329), (4333, 48373), (5551, 37759), (8047, 26047)]