72020905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 99283968

約数和(自身を除く): 27263063

約数列:

[1, 5, 11, 31, 53, 55, 155, 265, 341, 583, 797, 1643, 1705, 2915, 3985, 8215, 8767, 18073, 24707, 42241, 43835, 90365, 123535, 211205, 271777, 464651, 1309471, 1358885, 2323255, 6547355, 14404181, 72020905]

約数ペア:

[(1, 72020905), (5, 14404181), (11, 6547355), (31, 2323255), (53, 1358885), (55, 1309471), (155, 464651), (265, 271777), (341, 211205), (583, 123535), (797, 90365), (1643, 43835), (1705, 42241), (2915, 24707), (3985, 18073), (8215, 8767)]