1293391561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{19973}}^1$

素因数の和:20049

約数の個数: 24

約数和(自身を含む): 1670145984

約数和(自身を除く): 376754423

約数列:

[1, 7, 11, 29, 77, 203, 319, 841, 2233, 5887, 9251, 19973, 64757, 139811, 219703, 579217, 1537921, 4054519, 6371387, 16797293, 44599709, 117581051, 184770223, 1293391561]

約数ペア:

[(1, 1293391561), (7, 184770223), (11, 117581051), (29, 44599709), (77, 16797293), (203, 6371387), (319, 4054519), (841, 1537921), (2233, 579217), (5887, 219703), (9251, 139811), (19973, 64757)]