521128218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{51001}}^1$

素因数の和:51150

約数の個数: 32

約数和(自身を含む): 1131020352

約数和(自身を除く): 609892134

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 131, 262, 393, 786, 1703, 3406, 5109, 10218, 51001, 102002, 153003, 306006, 663013, 1326026, 1989039, 3978078, 6681131, 13362262, 20043393, 40086786, 86854703, 173709406, 260564109, 521128218]

約数ペア:

[(1, 521128218), (2, 260564109), (3, 173709406), (6, 86854703), (13, 40086786), (26, 20043393), (39, 13362262), (78, 6681131), (131, 3978078), (262, 1989039), (393, 1326026), (786, 663013), (1703, 306006), (3406, 153003), (5109, 102002), (10218, 51001)]