128260988

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{12659}}^1$

素因数の和:12829

約数の個数: 24

約数和(自身を含む): 239274000

約数和(自身を除く): 111013012

約数列:

[1, 2, 4, 17, 34, 68, 149, 298, 596, 2533, 5066, 10132, 12659, 25318, 50636, 215203, 430406, 860812, 1886191, 3772382, 7544764, 32065247, 64130494, 128260988]

約数ペア:

[(1, 128260988), (2, 64130494), (4, 32065247), (17, 7544764), (34, 3772382), (68, 1886191), (149, 860812), (298, 430406), (596, 215203), (2533, 50636), (5066, 25318), (10132, 12659)]