8081191855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{12611}}^1$

素因数の和:12879

約数の個数: 32

約数和(自身を含む): 10809593856

約数和(自身を除く): 2728402001

約数列:

[1, 5, 11, 55, 61, 191, 305, 671, 955, 2101, 3355, 10505, 11651, 12611, 58255, 63055, 128161, 138721, 640805, 693605, 769271, 2408701, 3846355, 8461981, 12043505, 26495711, 42309905, 132478555, 146930761, 734653805, 1616238371, 8081191855]

約数ペア:

[(1, 8081191855), (5, 1616238371), (11, 734653805), (55, 146930761), (61, 132478555), (191, 42309905), (305, 26495711), (671, 12043505), (955, 8461981), (2101, 3846355), (3355, 2408701), (10505, 769271), (11651, 693605), (12611, 640805), (58255, 138721), (63055, 128161)]