72685855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 99532800

約数和(自身を除く): 26846945

約数列:

[1, 5, 11, 31, 55, 89, 155, 341, 445, 479, 979, 1705, 2395, 2759, 4895, 5269, 13795, 14849, 26345, 30349, 42631, 74245, 151745, 163339, 213155, 468941, 816695, 1321561, 2344705, 6607805, 14537171, 72685855]

約数ペア:

[(1, 72685855), (5, 14537171), (11, 6607805), (31, 2344705), (55, 1321561), (89, 816695), (155, 468941), (341, 213155), (445, 163339), (479, 151745), (979, 74245), (1705, 42631), (2395, 30349), (2759, 26345), (4895, 14849), (5269, 13795)]