81928978

素因数分解:

$2^1\times {\mathrm{61}}^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:334

約数の個数: 24

約数和(自身を含む): 127335780

約数和(自身を除く): 45406802

約数列:

[1, 2, 61, 101, 109, 122, 202, 218, 3721, 6161, 6649, 7442, 11009, 12322, 13298, 22018, 375821, 405589, 671549, 751642, 811178, 1343098, 40964489, 81928978]

約数ペア:

[(1, 81928978), (2, 40964489), (61, 1343098), (101, 811178), (109, 751642), (122, 671549), (202, 405589), (218, 375821), (3721, 22018), (6161, 13298), (6649, 12322), (7442, 11009)]