64395565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 85932000

約数和(自身を除く): 21536435

約数列:

[1, 5, 13, 61, 65, 109, 149, 305, 545, 745, 793, 1417, 1937, 3965, 6649, 7085, 9089, 9685, 16241, 33245, 45445, 81205, 86437, 118157, 211133, 432185, 590785, 990701, 1055665, 4953505, 12879113, 64395565]

約数ペア:

[(1, 64395565), (5, 12879113), (13, 4953505), (61, 1055665), (65, 990701), (109, 590785), (149, 432185), (305, 211133), (545, 118157), (745, 86437), (793, 81205), (1417, 45445), (1937, 33245), (3965, 16241), (6649, 9685), (7085, 9089)]