9970492

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4001}}^1$

素因数の和:4101

約数の個数: 24

約数和(自身を含む): 20170080

約数和(自身を除く): 10199588

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 4001, 8002, 16004, 28007, 56014, 112028, 356089, 712178, 1424356, 2492623, 4985246, 9970492]

約数ペア:

[(1, 9970492), (2, 4985246), (4, 2492623), (7, 1424356), (14, 712178), (28, 356089), (89, 112028), (178, 56014), (356, 28007), (623, 16004), (1246, 8002), (2492, 4001)]