828123025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{2477}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 1054557504

約数和(自身を除く): 226434479

約数列:

[1, 5, 25, 43, 215, 311, 1075, 1555, 2477, 7775, 12385, 13373, 61925, 66865, 106511, 334325, 532555, 770347, 2662775, 3851735, 19258675, 33124921, 165624605, 828123025]

約数ペア:

[(1, 828123025), (5, 165624605), (25, 33124921), (43, 19258675), (215, 3851735), (311, 2662775), (1075, 770347), (1555, 532555), (2477, 334325), (7775, 106511), (12385, 66865), (13373, 61925)]