1660295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 2540160

約数和(自身を除く): 879865

約数列:

[1, 5, 7, 13, 35, 41, 65, 89, 91, 205, 287, 445, 455, 533, 623, 1157, 1435, 2665, 3115, 3649, 3731, 5785, 8099, 18245, 18655, 25543, 40495, 47437, 127715, 237185, 332059, 1660295]

約数ペア:

[(1, 1660295), (5, 332059), (7, 237185), (13, 127715), (35, 47437), (41, 40495), (65, 25543), (89, 18655), (91, 18245), (205, 8099), (287, 5785), (445, 3731), (455, 3649), (533, 3115), (623, 2665), (1157, 1435)]