647512234564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{7243}}^1\times {\mathrm{13537}}^1$

素因数の和:20924

約数の個数: 48

約数和(自身を含む): 1230180947968

約数和(自身を除く): 582668713404

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 7243, 13537, 14486, 27074, 28972, 54148, 94159, 175981, 188318, 351962, 376636, 703924, 919861, 1719199, 1839722, 3438398, 3679444, 6876796, 11958193, 22349587, 23916386, 44699174, 47832772, 89398348, 98048491, 196096982, 392193964, 1274630383, 2549260766, 5098521532, 12452158357, 24904316714, 49808633428, 161878058641, 323756117282, 647512234564]

約数ペア:

[(1, 647512234564), (2, 323756117282), (4, 161878058641), (13, 49808633428), (26, 24904316714), (52, 12452158357), (127, 5098521532), (254, 2549260766), (508, 1274630383), (1651, 392193964), (3302, 196096982), (6604, 98048491), (7243, 89398348), (13537, 47832772), (14486, 44699174), (27074, 23916386), (28972, 22349587), (54148, 11958193), (94159, 6876796), (175981, 3679444), (188318, 3438398), (351962, 1839722), (376636, 1719199), (703924, 919861)]