128866465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4643}}^1$

素因数の和:4729

約数の個数: 32

約数和(自身を含む): 193487616

約数和(自身を除く): 64621151

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 2135, 3965, 4643, 5551, 23215, 27755, 32501, 60359, 162505, 283223, 301795, 422513, 1416115, 1982561, 2112565, 3681899, 9912805, 18409495, 25773293, 128866465]

約数ペア:

[(1, 128866465), (5, 25773293), (7, 18409495), (13, 9912805), (35, 3681899), (61, 2112565), (65, 1982561), (91, 1416115), (305, 422513), (427, 301795), (455, 283223), (793, 162505), (2135, 60359), (3965, 32501), (4643, 27755), (5551, 23215)]