388020376

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{4451}}^1$

素因数の和:5115

約数の個数: 32

約数和(自身を含む): 771709680

約数和(自身を除く): 383689304

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 641, 1282, 2564, 4451, 5128, 8902, 10897, 17804, 21794, 35608, 43588, 75667, 87176, 151334, 302668, 605336, 2853091, 5706182, 11412364, 22824728, 48502547, 97005094, 194010188, 388020376]

約数ペア:

[(1, 388020376), (2, 194010188), (4, 97005094), (8, 48502547), (17, 22824728), (34, 11412364), (68, 5706182), (136, 2853091), (641, 605336), (1282, 302668), (2564, 151334), (4451, 87176), (5128, 75667), (8902, 43588), (10897, 35608), (17804, 21794)]