81578684

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{4111}}^1$

素因数の和:4178

約数の個数: 36

約数和(自身を含む): 160787424

約数和(自身を除く): 79208740

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1804, 4111, 4961, 8222, 9922, 16444, 19844, 45221, 90442, 168551, 180884, 337102, 497431, 674204, 994862, 1854061, 1989724, 3708122, 7416244, 20394671, 40789342, 81578684]

約数ペア:

[(1, 81578684), (2, 40789342), (4, 20394671), (11, 7416244), (22, 3708122), (41, 1989724), (44, 1854061), (82, 994862), (121, 674204), (164, 497431), (242, 337102), (451, 180884), (484, 168551), (902, 90442), (1804, 45221), (4111, 19844), (4961, 16444), (8222, 9922)]