81533276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{26099}}^1$

素因数の和:26185

約数の個数: 24

約数和(自身を含む): 157852800

約数和(自身を除く): 76319524

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 26099, 52198, 104396, 287089, 574178, 1148356, 1853029, 3706058, 7412116, 20383319, 40766638, 81533276]

約数ペア:

[(1, 81533276), (2, 40766638), (4, 20383319), (11, 7412116), (22, 3706058), (44, 1853029), (71, 1148356), (142, 574178), (284, 287089), (781, 104396), (1562, 52198), (3124, 26099)]