891272045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{461}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 1154926080

約数和(自身を除く): 263654035

約数列:

[1, 5, 19, 47, 95, 235, 433, 461, 893, 2165, 2305, 4465, 8227, 8759, 20351, 21667, 41135, 43795, 101755, 108335, 199613, 386669, 411673, 998065, 1933345, 2058365, 3792647, 9381811, 18963235, 46909055, 178254409, 891272045]

約数ペア:

[(1, 891272045), (5, 178254409), (19, 46909055), (47, 18963235), (95, 9381811), (235, 3792647), (433, 2058365), (461, 1933345), (893, 998065), (2165, 411673), (2305, 386669), (4465, 199613), (8227, 108335), (8759, 101755), (20351, 43795), (21667, 41135)]