81192290

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 68495710

約数列:

[1, 2, 5, 10, 53, 106, 265, 307, 499, 530, 614, 998, 1535, 2495, 3070, 4990, 16271, 26447, 32542, 52894, 81355, 132235, 153193, 162710, 264470, 306386, 765965, 1531930, 8119229, 16238458, 40596145, 81192290]

約数ペア:

[(1, 81192290), (2, 40596145), (5, 16238458), (10, 8119229), (53, 1531930), (106, 765965), (265, 306386), (307, 264470), (499, 162710), (530, 153193), (614, 132235), (998, 81355), (1535, 52894), (2495, 32542), (3070, 26447), (4990, 16271)]