28878025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:801

約数の個数: 24

約数和(自身を含む): 39354624

約数和(自身を除く): 10476599

約数列:

[1, 5, 11, 25, 55, 173, 275, 607, 865, 1903, 3035, 4325, 6677, 9515, 15175, 33385, 47575, 105011, 166925, 525055, 1155121, 2625275, 5775605, 28878025]

約数ペア:

[(1, 28878025), (5, 5775605), (11, 2625275), (25, 1155121), (55, 525055), (173, 166925), (275, 105011), (607, 47575), (865, 33385), (1903, 15175), (3035, 9515), (4325, 6677)]