1289351609

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{2971}}^1$

素因数の和:3261

約数の個数: 32

約数和(自身を含む): 1677634560

約数和(自身を除く): 388282951

約数列:

[1, 7, 13, 19, 91, 133, 247, 251, 1729, 1757, 2971, 3263, 4769, 20797, 22841, 33383, 38623, 56449, 61997, 270361, 395143, 433979, 733837, 745721, 5136859, 5220047, 9694373, 14168699, 67860611, 99180893, 184193087, 1289351609]

約数ペア:

[(1, 1289351609), (7, 184193087), (13, 99180893), (19, 67860611), (91, 14168699), (133, 9694373), (247, 5220047), (251, 5136859), (1729, 745721), (1757, 733837), (2971, 433979), (3263, 395143), (4769, 270361), (20797, 61997), (22841, 56449), (33383, 38623)]