81718084

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{10169}}^1$

素因数の和:10228

約数の個数: 36

約数和(自身を含む): 170428860

約数和(自身を除く): 88710776

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 8036, 10169, 20338, 40676, 71183, 142366, 284732, 416929, 498281, 833858, 996562, 1667716, 1993124, 2918503, 5837006, 11674012, 20429521, 40859042, 81718084]

約数ペア:

[(1, 81718084), (2, 40859042), (4, 20429521), (7, 11674012), (14, 5837006), (28, 2918503), (41, 1993124), (49, 1667716), (82, 996562), (98, 833858), (164, 498281), (196, 416929), (287, 284732), (574, 142366), (1148, 71183), (2009, 40676), (4018, 20338), (8036, 10169)]