2011182355

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{18341}}^1$

素因数の和:18607

約数の個数: 32

約数和(自身を含む): 2982849408

約数和(自身を除く): 971667053

約数列:

[1, 5, 7, 13, 35, 65, 91, 241, 455, 1205, 1687, 3133, 8435, 15665, 18341, 21931, 91705, 109655, 128387, 238433, 641935, 1192165, 1669031, 4420181, 8345155, 22100905, 30941267, 57462353, 154706335, 287311765, 402236471, 2011182355]

約数ペア:

[(1, 2011182355), (5, 402236471), (7, 287311765), (13, 154706335), (35, 57462353), (65, 30941267), (91, 22100905), (241, 8345155), (455, 4420181), (1205, 1669031), (1687, 1192165), (3133, 641935), (8435, 238433), (15665, 128387), (18341, 109655), (21931, 91705)]