25291915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 34810560

約数和(自身を除く): 9518645

約数列:

[1, 5, 11, 29, 55, 101, 145, 157, 319, 505, 785, 1111, 1595, 1727, 2929, 4553, 5555, 8635, 14645, 15857, 22765, 32219, 50083, 79285, 161095, 174427, 250415, 459853, 872135, 2299265, 5058383, 25291915]

約数ペア:

[(1, 25291915), (5, 5058383), (11, 2299265), (29, 872135), (55, 459853), (101, 250415), (145, 174427), (157, 161095), (319, 79285), (505, 50083), (785, 32219), (1111, 22765), (1595, 15857), (1727, 14645), (2929, 8635), (4553, 5555)]