81423084

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 193971456

約数和(自身を除く): 112548372

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 227, 284, 421, 426, 454, 681, 842, 852, 908, 1263, 1362, 1684, 2526, 2724, 5052, 16117, 29891, 32234, 48351, 59782, 64468, 89673, 95567, 96702, 119564, 179346, 191134, 193404, 286701, 358692, 382268, 573402, 1146804, 6785257, 13570514, 20355771, 27141028, 40711542, 81423084]

約数ペア:

[(1, 81423084), (2, 40711542), (3, 27141028), (4, 20355771), (6, 13570514), (12, 6785257), (71, 1146804), (142, 573402), (213, 382268), (227, 358692), (284, 286701), (421, 193404), (426, 191134), (454, 179346), (681, 119564), (842, 96702), (852, 95567), (908, 89673), (1263, 64468), (1362, 59782), (1684, 48351), (2526, 32234), (2724, 29891), (5052, 16117)]