81211754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5927}}^1$

素因数の和:5990

約数の個数: 32

約数和(自身を含む): 143410176

約数和(自身を除く): 62198422

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 221, 403, 442, 527, 806, 1054, 5927, 6851, 11854, 13702, 77051, 100759, 154102, 183737, 201518, 367474, 1309867, 2388581, 2619734, 3123529, 4777162, 6247058, 40605877, 81211754]

約数ペア:

[(1, 81211754), (2, 40605877), (13, 6247058), (17, 4777162), (26, 3123529), (31, 2619734), (34, 2388581), (62, 1309867), (221, 367474), (403, 201518), (442, 183737), (527, 154102), (806, 100759), (1054, 77051), (5927, 13702), (6851, 11854)]