291219929

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{4931}}^1$

素因数の和:5021

約数の個数: 32

約数和(自身を含む): 397716480

約数和(自身を除く): 106496551

約数列:

[1, 7, 11, 13, 59, 77, 91, 143, 413, 649, 767, 1001, 4543, 4931, 5369, 8437, 34517, 54241, 59059, 64103, 290929, 379687, 448721, 705133, 2036503, 3200219, 3782077, 4935931, 22401533, 26474539, 41602847, 291219929]

約数ペア:

[(1, 291219929), (7, 41602847), (11, 26474539), (13, 22401533), (59, 4935931), (77, 3782077), (91, 3200219), (143, 2036503), (413, 705133), (649, 448721), (767, 379687), (1001, 290929), (4543, 64103), (4931, 59059), (5369, 54241), (8437, 34517)]