27978974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{20071}}^1$

素因数の和:20131

約数の個数: 16

約数和(自身を含む): 45523296

約数和(自身を除く): 17544322

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 20071, 40142, 341207, 682414, 822911, 1645822, 13989487, 27978974]

約数ペア:

[(1, 27978974), (2, 13989487), (17, 1645822), (34, 822911), (41, 682414), (82, 341207), (697, 40142), (1394, 20071)]