64747345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{509}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 89107200

約数和(自身を除く): 24359855

約数列:

[1, 5, 13, 19, 65, 95, 103, 247, 509, 515, 1235, 1339, 1957, 2545, 6617, 6695, 9671, 9785, 25441, 33085, 48355, 52427, 125723, 127205, 262135, 628615, 681551, 996113, 3407755, 4980565, 12949469, 64747345]

約数ペア:

[(1, 64747345), (5, 12949469), (13, 4980565), (19, 3407755), (65, 996113), (95, 681551), (103, 628615), (247, 262135), (509, 127205), (515, 125723), (1235, 52427), (1339, 48355), (1957, 33085), (2545, 25441), (6617, 9785), (6695, 9671)]