9991478

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41981}}^1$

素因数の和:42007

約数の個数: 16

約数和(自身を含む): 18136224

約数和(自身を除く): 8144746

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 41981, 83962, 293867, 587734, 713677, 1427354, 4995739, 9991478]

約数ペア:

[(1, 9991478), (2, 4995739), (7, 1427354), (14, 713677), (17, 587734), (34, 293867), (119, 83962), (238, 41981)]