203707205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1531}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 277966080

約数和(自身を除く): 74258875

約数列:

[1, 5, 13, 23, 65, 89, 115, 299, 445, 1157, 1495, 1531, 2047, 5785, 7655, 10235, 19903, 26611, 35213, 99515, 133055, 136259, 176065, 457769, 681295, 1771367, 2288845, 3133957, 8856835, 15669785, 40741441, 203707205]

約数ペア:

[(1, 203707205), (5, 40741441), (13, 15669785), (23, 8856835), (65, 3133957), (89, 2288845), (115, 1771367), (299, 681295), (445, 457769), (1157, 176065), (1495, 136259), (1531, 133055), (2047, 99515), (5785, 35213), (7655, 26611), (10235, 19903)]