28390565

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 40884480

約数和(自身を除く): 12493915

約数列:

[1, 5, 7, 29, 35, 83, 145, 203, 337, 415, 581, 1015, 1685, 2359, 2407, 2905, 9773, 11795, 12035, 16849, 27971, 48865, 68411, 84245, 139855, 195797, 342055, 811159, 978985, 4055795, 5678113, 28390565]

約数ペア:

[(1, 28390565), (5, 5678113), (7, 4055795), (29, 978985), (35, 811159), (83, 342055), (145, 195797), (203, 139855), (337, 84245), (415, 68411), (581, 48865), (1015, 27971), (1685, 16849), (2359, 12035), (2407, 11795), (2905, 9773)]