521799551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{67}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 691471872

約数和(自身を除く): 169672321

約数列:

[1, 7, 13, 23, 61, 67, 91, 161, 299, 427, 469, 793, 871, 1403, 1541, 2093, 3721, 4087, 5551, 6097, 9821, 10787, 18239, 20033, 26047, 28609, 48373, 53131, 85583, 94001, 127673, 140231, 249307, 338611, 371917, 599081, 658007, 1112579, 1222013, 1745149, 3240991, 5734061, 7788053, 8554091, 22686937, 40138427, 74542793, 521799551]

約数ペア:

[(1, 521799551), (7, 74542793), (13, 40138427), (23, 22686937), (61, 8554091), (67, 7788053), (91, 5734061), (161, 3240991), (299, 1745149), (427, 1222013), (469, 1112579), (793, 658007), (871, 599081), (1403, 371917), (1541, 338611), (2093, 249307), (3721, 140231), (4087, 127673), (5551, 94001), (6097, 85583), (9821, 53131), (10787, 48373), (18239, 28609), (20033, 26047)]