28836445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 10510115

約数列:

[1, 5, 11, 43, 55, 89, 137, 215, 445, 473, 685, 979, 1507, 2365, 3827, 4895, 5891, 7535, 12193, 19135, 29455, 42097, 60965, 64801, 134123, 210485, 324005, 524299, 670615, 2621495, 5767289, 28836445]

約数ペア:

[(1, 28836445), (5, 5767289), (11, 2621495), (43, 670615), (55, 524299), (89, 324005), (137, 210485), (215, 134123), (445, 64801), (473, 60965), (685, 42097), (979, 29455), (1507, 19135), (2365, 12193), (3827, 7535), (4895, 5891)]