31425128

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{6761}}^1$

素因数の和:6857

約数の個数: 32

約数和(自身を含む): 68160960

約数和(自身を除く): 36735832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4648, 6761, 13522, 27044, 47327, 54088, 94654, 189308, 378616, 561163, 1122326, 2244652, 3928141, 4489304, 7856282, 15712564, 31425128]

約数ペア:

[(1, 31425128), (2, 15712564), (4, 7856282), (7, 4489304), (8, 3928141), (14, 2244652), (28, 1122326), (56, 561163), (83, 378616), (166, 189308), (332, 94654), (581, 54088), (664, 47327), (1162, 27044), (2324, 13522), (4648, 6761)]