87891206

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 146844768

約数和(自身を除く): 58953562

約数列:

[1, 2, 13, 26, 37, 74, 211, 422, 433, 481, 866, 962, 2743, 5486, 5629, 7807, 11258, 15614, 16021, 32042, 91363, 101491, 182726, 202982, 208273, 416546, 1187719, 2375438, 3380431, 6760862, 43945603, 87891206]

約数ペア:

[(1, 87891206), (2, 43945603), (13, 6760862), (26, 3380431), (37, 2375438), (74, 1187719), (211, 416546), (422, 208273), (433, 202982), (481, 182726), (866, 101491), (962, 91363), (2743, 32042), (5486, 16021), (5629, 15614), (7807, 11258)]