768522209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{3061}}^1$

素因数の和:3201

約数の個数: 32

約数和(自身を含む): 987678720

約数和(自身を除く): 219156511

約数列:

[1, 7, 13, 31, 89, 91, 217, 403, 623, 1157, 2759, 2821, 3061, 8099, 19313, 21427, 35867, 39793, 94891, 251069, 272429, 278551, 664237, 1233583, 1907003, 3541577, 8445299, 8635081, 24791039, 59117093, 109788887, 768522209]

約数ペア:

[(1, 768522209), (7, 109788887), (13, 59117093), (31, 24791039), (89, 8635081), (91, 8445299), (217, 3541577), (403, 1907003), (623, 1233583), (1157, 664237), (2759, 278551), (2821, 272429), (3061, 251069), (8099, 94891), (19313, 39793), (21427, 35867)]