217422611

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 269844480

約数和(自身を除く): 52421869

約数列:

[1, 7, 23, 47, 59, 161, 329, 413, 487, 1081, 1357, 2773, 3409, 7567, 9499, 11201, 19411, 22889, 28733, 63779, 78407, 160223, 201131, 446453, 526447, 660859, 1350451, 3685129, 4626013, 9453157, 31060373, 217422611]

約数ペア:

[(1, 217422611), (7, 31060373), (23, 9453157), (47, 4626013), (59, 3685129), (161, 1350451), (329, 660859), (413, 526447), (487, 446453), (1081, 201131), (1357, 160223), (2773, 78407), (3409, 63779), (7567, 28733), (9499, 22889), (11201, 19411)]