71994556

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{653}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 129319344

約数和(自身を除く): 57324788

約数列:

[1, 2, 4, 43, 86, 172, 641, 653, 1282, 1306, 2564, 2612, 27563, 28079, 55126, 56158, 110252, 112316, 418573, 837146, 1674292, 17998639, 35997278, 71994556]

約数ペア:

[(1, 71994556), (2, 35997278), (4, 17998639), (43, 1674292), (86, 837146), (172, 418573), (641, 112316), (653, 110252), (1282, 56158), (1306, 55126), (2564, 28079), (2612, 27563)]