81172304

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{929}}^1$

素因数の和:1107

約数の個数: 40

約数和(自身を含む): 162370560

約数和(自身を除く): 81198256

約数列:

[1, 2, 4, 8, 16, 43, 86, 127, 172, 254, 344, 508, 688, 929, 1016, 1858, 2032, 3716, 5461, 7432, 10922, 14864, 21844, 39947, 43688, 79894, 87376, 117983, 159788, 235966, 319576, 471932, 639152, 943864, 1887728, 5073269, 10146538, 20293076, 40586152, 81172304]

約数ペア:

[(1, 81172304), (2, 40586152), (4, 20293076), (8, 10146538), (16, 5073269), (43, 1887728), (86, 943864), (127, 639152), (172, 471932), (254, 319576), (344, 235966), (508, 159788), (688, 117983), (929, 87376), (1016, 79894), (1858, 43688), (2032, 39947), (3716, 21844), (5461, 14864), (7432, 10922)]