2557794239

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1531}}^1\times {\mathrm{1669}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 3438543360

約数和(自身を除く): 880749121

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 1531, 1669, 10717, 11683, 16841, 18359, 19903, 21697, 117887, 128513, 139321, 151879, 218933, 238667, 1532531, 1670669, 2555239, 17886673, 28107629, 33218107, 196753403, 232526749, 365399177, 2557794239]

約数ペア:

[(1, 2557794239), (7, 365399177), (11, 232526749), (13, 196753403), (77, 33218107), (91, 28107629), (143, 17886673), (1001, 2555239), (1531, 1670669), (1669, 1532531), (10717, 238667), (11683, 218933), (16841, 151879), (18359, 139321), (19903, 128513), (21697, 117887)]