81620812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{224233}}^1$

素因数の和:224257

約数の個数: 24

約数和(自身を含む): 175799456

約数和(自身を除く): 94178644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 224233, 448466, 896932, 1569631, 2915029, 3139262, 5830058, 6278524, 11660116, 20405203, 40810406, 81620812]

約数ペア:

[(1, 81620812), (2, 40810406), (4, 20405203), (7, 11660116), (13, 6278524), (14, 5830058), (26, 3139262), (28, 2915029), (52, 1569631), (91, 896932), (182, 448466), (364, 224233)]