12117215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 16796160

約数和(自身を除く): 4678945

約数列:

[1, 5, 11, 29, 55, 71, 107, 145, 319, 355, 535, 781, 1177, 1595, 2059, 3103, 3905, 5885, 7597, 10295, 15515, 22649, 34133, 37985, 83567, 113245, 170665, 220313, 417835, 1101565, 2423443, 12117215]

約数ペア:

[(1, 12117215), (5, 2423443), (11, 1101565), (29, 417835), (55, 220313), (71, 170665), (107, 113245), (145, 83567), (319, 37985), (355, 34133), (535, 22649), (781, 15515), (1177, 10295), (1595, 7597), (2059, 5885), (3103, 3905)]