1288894475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{31039}}^1$

素因数の和:31211

約数の個数: 24

約数和(自身を含む): 1755125760

約数和(自身を除く): 466231285

約数列:

[1, 5, 11, 25, 55, 151, 275, 755, 1661, 3775, 8305, 31039, 41525, 155195, 341429, 775975, 1707145, 4686889, 8535725, 23434445, 51555779, 117172225, 257778895, 1288894475]

約数ペア:

[(1, 1288894475), (5, 257778895), (11, 117172225), (25, 51555779), (55, 23434445), (151, 8535725), (275, 4686889), (755, 1707145), (1661, 775975), (3775, 341429), (8305, 155195), (31039, 41525)]