40000002826

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{311677}}^1$

素因数の和:311878

約数の個数: 32

約数和(自身を含む): 70015345920

約数和(自身を除く): 30015343094

約数列:

[1, 2, 7, 14, 89, 103, 178, 206, 623, 721, 1246, 1442, 9167, 18334, 64169, 128338, 311677, 623354, 2181739, 4363478, 27739253, 32102731, 55478506, 64205462, 194174771, 224719117, 388349542, 449438234, 2857143059, 5714286118, 20000001413, 40000002826]

約数ペア:

[(1, 40000002826), (2, 20000001413), (7, 5714286118), (14, 2857143059), (89, 449438234), (103, 388349542), (178, 224719117), (206, 194174771), (623, 64205462), (721, 55478506), (1246, 32102731), (1442, 27739253), (9167, 4363478), (18334, 2181739), (64169, 623354), (128338, 311677)]