81424408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{2099}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 164934000

約数和(自身を除く): 83509592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 373, 746, 1492, 2099, 2984, 4198, 4849, 8396, 9698, 16792, 19396, 27287, 38792, 54574, 109148, 218296, 782927, 1565854, 3131708, 6263416, 10178051, 20356102, 40712204, 81424408]

約数ペア:

[(1, 81424408), (2, 40712204), (4, 20356102), (8, 10178051), (13, 6263416), (26, 3131708), (52, 1565854), (104, 782927), (373, 218296), (746, 109148), (1492, 54574), (2099, 38792), (2984, 27287), (4198, 19396), (4849, 16792), (8396, 9698)]