643776716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{5009}}^1$

素因数の和:5174

約数の個数: 48

約数和(自身を含む): 1292820480

約数和(自身を除く): 649043764

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 127, 253, 254, 506, 508, 1012, 1397, 2794, 2921, 5009, 5588, 5842, 10018, 11684, 20036, 32131, 55099, 64262, 110198, 115207, 128524, 220396, 230414, 460828, 636143, 1267277, 1272286, 2534554, 2544572, 5069108, 6997573, 13995146, 14631289, 27990292, 29262578, 58525156, 160944179, 321888358, 643776716]

約数ペア:

[(1, 643776716), (2, 321888358), (4, 160944179), (11, 58525156), (22, 29262578), (23, 27990292), (44, 14631289), (46, 13995146), (92, 6997573), (127, 5069108), (253, 2544572), (254, 2534554), (506, 1272286), (508, 1267277), (1012, 636143), (1397, 460828), (2794, 230414), (2921, 220396), (5009, 128524), (5588, 115207), (5842, 110198), (10018, 64262), (11684, 55099), (20036, 32131)]