128572376

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1667}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 249799680

約数和(自身を除く): 121227304

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 311, 622, 1244, 1667, 2488, 3334, 6668, 9641, 13336, 19282, 38564, 51677, 77128, 103354, 206708, 413416, 518437, 1036874, 2073748, 4147496, 16071547, 32143094, 64286188, 128572376]

約数ペア:

[(1, 128572376), (2, 64286188), (4, 32143094), (8, 16071547), (31, 4147496), (62, 2073748), (124, 1036874), (248, 518437), (311, 413416), (622, 206708), (1244, 103354), (1667, 77128), (2488, 51677), (3334, 38564), (6668, 19282), (9641, 13336)]