64806755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:755

約数の個数: 32

約数和(自身を含む): 88833024

約数和(自身を除く): 24026269

約数列:

[1, 5, 13, 23, 65, 67, 115, 299, 335, 647, 871, 1495, 1541, 3235, 4355, 7705, 8411, 14881, 20033, 42055, 43349, 74405, 100165, 193453, 216745, 563537, 967265, 997027, 2817685, 4985135, 12961351, 64806755]

約数ペア:

[(1, 64806755), (5, 12961351), (13, 4985135), (23, 2817685), (65, 997027), (67, 967265), (115, 563537), (299, 216745), (335, 193453), (647, 100165), (871, 74405), (1495, 43349), (1541, 42055), (3235, 20033), (4355, 14881), (7705, 8411)]