718430735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1997}}^1$

素因数の和:2255

約数の個数: 32

約数和(自身を含む): 975919104

約数和(自身を除く): 257488369

約数列:

[1, 5, 11, 31, 55, 155, 211, 341, 1055, 1705, 1997, 2321, 6541, 9985, 11605, 21967, 32705, 61907, 71951, 109835, 309535, 359755, 421367, 680977, 2106835, 3404885, 4635037, 13062377, 23175185, 65311885, 143686147, 718430735]

約数ペア:

[(1, 718430735), (5, 143686147), (11, 65311885), (31, 23175185), (55, 13062377), (155, 4635037), (211, 3404885), (341, 2106835), (1055, 680977), (1705, 421367), (1997, 359755), (2321, 309535), (6541, 109835), (9985, 71951), (11605, 61907), (21967, 32705)]