78752068

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{457}}^1\times {\mathrm{643}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 140397152

約数和(自身を除く): 61645084

約数列:

[1, 2, 4, 67, 134, 268, 457, 643, 914, 1286, 1828, 2572, 30619, 43081, 61238, 86162, 122476, 172324, 293851, 587702, 1175404, 19688017, 39376034, 78752068]

約数ペア:

[(1, 78752068), (2, 39376034), (4, 19688017), (67, 1175404), (134, 587702), (268, 293851), (457, 172324), (643, 122476), (914, 86162), (1286, 61238), (1828, 43081), (2572, 30619)]