28388899

素因数分解:

$7^1\times {\mathrm{11}}^4\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 20

約数和(自身を含む): 35817520

約数和(自身を除く): 7428621

約数列:

[1, 7, 11, 77, 121, 277, 847, 1331, 1939, 3047, 9317, 14641, 21329, 33517, 102487, 234619, 368687, 2580809, 4055557, 28388899]

約数ペア:

[(1, 28388899), (7, 4055557), (11, 2580809), (77, 368687), (121, 234619), (277, 102487), (847, 33517), (1331, 21329), (1939, 14641), (3047, 9317)]