81418038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{2957}}^1$

素因数の和:3328

約数の個数: 32

約数和(自身を含む): 175918176

約数和(自身を除く): 94500138

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 353, 706, 1059, 2118, 2957, 4589, 5914, 8871, 9178, 13767, 17742, 27534, 38441, 76882, 115323, 230646, 1043821, 2087642, 3131463, 6262926, 13569673, 27139346, 40709019, 81418038]

約数ペア:

[(1, 81418038), (2, 40709019), (3, 27139346), (6, 13569673), (13, 6262926), (26, 3131463), (39, 2087642), (78, 1043821), (353, 230646), (706, 115323), (1059, 76882), (2118, 38441), (2957, 27534), (4589, 17742), (5914, 13767), (8871, 9178)]