13261325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^2$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 20751648

約数和(自身を除く): 7490323

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 83, 175, 275, 385, 415, 581, 913, 1925, 2075, 2905, 4565, 6391, 6889, 14525, 22825, 31955, 34445, 48223, 75779, 159775, 172225, 241115, 378895, 530453, 1205575, 1894475, 2652265, 13261325]

約数ペア:

[(1, 13261325), (5, 2652265), (7, 1894475), (11, 1205575), (25, 530453), (35, 378895), (55, 241115), (77, 172225), (83, 159775), (175, 75779), (275, 48223), (385, 34445), (415, 31955), (581, 22825), (913, 14525), (1925, 6889), (2075, 6391), (2905, 4565)]