268840988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{120233}}^1$

素因数の和:120293

約数の個数: 24

約数和(自身を含む): 518449008

約数和(自身を除く): 249608020

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 120233, 240466, 480932, 1563029, 3126058, 5170019, 6252116, 10340038, 20680076, 67210247, 134420494, 268840988]

約数ペア:

[(1, 268840988), (2, 134420494), (4, 67210247), (13, 20680076), (26, 10340038), (43, 6252116), (52, 5170019), (86, 3126058), (172, 1563029), (559, 480932), (1118, 240466), (2236, 120233)]