81232904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4903}}^1$

素因数の和:5037

約数の個数: 32

約数和(自身を含む): 161832000

約数和(自身を除く): 80599096

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 2071, 4142, 4903, 8284, 9806, 16568, 19612, 39224, 93157, 186314, 372628, 534427, 745256, 1068854, 2137708, 4275416, 10154113, 20308226, 40616452, 81232904]

約数ペア:

[(1, 81232904), (2, 40616452), (4, 20308226), (8, 10154113), (19, 4275416), (38, 2137708), (76, 1068854), (109, 745256), (152, 534427), (218, 372628), (436, 186314), (872, 93157), (2071, 39224), (4142, 19612), (4903, 16568), (8284, 9806)]