80438365

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 113757696

約数和(自身を除く): 33319331

約数列:

[1, 5, 7, 35, 53, 103, 265, 371, 421, 515, 721, 1855, 2105, 2947, 3605, 5459, 14735, 22313, 27295, 38213, 43363, 111565, 156191, 191065, 216815, 303541, 780955, 1517705, 2298239, 11491195, 16087673, 80438365]

約数ペア:

[(1, 80438365), (5, 16087673), (7, 11491195), (35, 2298239), (53, 1517705), (103, 780955), (265, 303541), (371, 216815), (421, 191065), (515, 156191), (721, 111565), (1855, 43363), (2105, 38213), (2947, 27295), (3605, 22313), (5459, 14735)]