639765445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3643}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 873160704

約数和(自身を除く): 233395259

約数列:

[1, 5, 11, 31, 55, 103, 155, 341, 515, 1133, 1705, 3193, 3643, 5665, 15965, 18215, 35123, 40073, 112933, 175615, 200365, 375229, 564665, 1242263, 1876145, 4127519, 6211315, 11632099, 20637595, 58160495, 127953089, 639765445]

約数ペア:

[(1, 639765445), (5, 127953089), (11, 58160495), (31, 20637595), (55, 11632099), (103, 6211315), (155, 4127519), (341, 1876145), (515, 1242263), (1133, 564665), (1705, 375229), (3193, 200365), (3643, 175615), (5665, 112933), (15965, 40073), (18215, 35123)]