225639535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 312491520

約数和(自身を除く): 86851985

約数列:

[1, 5, 11, 19, 55, 95, 209, 263, 821, 1045, 1315, 2893, 4105, 4997, 9031, 14465, 15599, 24985, 45155, 54967, 77995, 171589, 215923, 274835, 857945, 1079615, 2375153, 4102537, 11875765, 20512685, 45127907, 225639535]

約数ペア:

[(1, 225639535), (5, 45127907), (11, 20512685), (19, 11875765), (55, 4102537), (95, 2375153), (209, 1079615), (263, 857945), (821, 274835), (1045, 215923), (1315, 171589), (2893, 77995), (4105, 54967), (4997, 45155), (9031, 24985), (14465, 15599)]