9991112

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{65731}}^1$

素因数の和:65756

約数の個数: 16

約数和(自身を含む): 19719600

約数和(自身を除く): 9728488

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 65731, 131462, 262924, 525848, 1248889, 2497778, 4995556, 9991112]

約数ペア:

[(1, 9991112), (2, 4995556), (4, 2497778), (8, 1248889), (19, 525848), (38, 262924), (76, 131462), (152, 65731)]