13351919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 17262720

約数和(自身を除く): 3910801

約数列:

[1, 7, 17, 29, 53, 73, 119, 203, 371, 493, 511, 901, 1241, 1537, 2117, 3451, 3869, 6307, 8687, 10759, 14819, 26129, 27083, 35989, 65773, 112201, 182903, 251923, 460411, 785407, 1907417, 13351919]

約数ペア:

[(1, 13351919), (7, 1907417), (17, 785407), (29, 460411), (53, 251923), (73, 182903), (119, 112201), (203, 65773), (371, 35989), (493, 27083), (511, 26129), (901, 14819), (1241, 10759), (1537, 8687), (2117, 6307), (3451, 3869)]