8663942

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19963}}^1$

素因数の和:20003

約数の個数: 16

約数和(自身を含む): 15332352

約数和(自身を除く): 6668410

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 19963, 39926, 139741, 279482, 618853, 1237706, 4331971, 8663942]

約数ペア:

[(1, 8663942), (2, 4331971), (7, 1237706), (14, 618853), (31, 279482), (62, 139741), (217, 39926), (434, 19963)]