64905841

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 90780480

約数和(自身を除く): 25874639

約数列:

[1, 7, 11, 13, 49, 59, 77, 91, 143, 157, 413, 539, 637, 649, 767, 1001, 1099, 1727, 2041, 2891, 4543, 5369, 7007, 7693, 8437, 9263, 12089, 14287, 22451, 31801, 37583, 59059, 64841, 84623, 100009, 101893, 120419, 157157, 413413, 453887, 713251, 842933, 1100099, 1324609, 4992757, 5900531, 9272263, 64905841]

約数ペア:

[(1, 64905841), (7, 9272263), (11, 5900531), (13, 4992757), (49, 1324609), (59, 1100099), (77, 842933), (91, 713251), (143, 453887), (157, 413413), (413, 157157), (539, 120419), (637, 101893), (649, 100009), (767, 84623), (1001, 64841), (1099, 59059), (1727, 37583), (2041, 31801), (2891, 22451), (4543, 14287), (5369, 12089), (7007, 9263), (7693, 8437)]