81367858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{971}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 144027072

約数和(自身を除く): 62659214

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 293, 586, 971, 1942, 3223, 3809, 6446, 7618, 10681, 12623, 21362, 25246, 41899, 83798, 138853, 277706, 284503, 569006, 3129533, 3698539, 6259066, 7397078, 40683929, 81367858]

約数ペア:

[(1, 81367858), (2, 40683929), (11, 7397078), (13, 6259066), (22, 3698539), (26, 3129533), (143, 569006), (286, 284503), (293, 277706), (586, 138853), (971, 83798), (1942, 41899), (3223, 25246), (3809, 21362), (6446, 12623), (7618, 10681)]