505876225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{953}}^1\times {\mathrm{1249}}^1$

素因数の和:2229

約数の個数: 24

約数和(自身を含む): 665415000

約数和(自身を除く): 159538775

約数列:

[1, 5, 17, 25, 85, 425, 953, 1249, 4765, 6245, 16201, 21233, 23825, 31225, 81005, 106165, 405025, 530825, 1190297, 5951485, 20235049, 29757425, 101175245, 505876225]

約数ペア:

[(1, 505876225), (5, 101175245), (17, 29757425), (25, 20235049), (85, 5951485), (425, 1190297), (953, 530825), (1249, 405025), (4765, 106165), (6245, 81005), (16201, 31225), (21233, 23825)]