71128578

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 158381568

約数和(自身を除く): 87252990

約数列:

[1, 2, 3, 6, 17, 34, 37, 47, 51, 74, 94, 102, 111, 141, 222, 282, 401, 629, 799, 802, 1203, 1258, 1598, 1739, 1887, 2397, 2406, 3478, 3774, 4794, 5217, 6817, 10434, 13634, 14837, 18847, 20451, 29563, 29674, 37694, 40902, 44511, 56541, 59126, 88689, 89022, 113082, 177378, 252229, 320399, 504458, 640798, 697339, 756687, 961197, 1394678, 1513374, 1922394, 2092017, 4184034, 11854763, 23709526, 35564289, 71128578]

約数ペア:

[(1, 71128578), (2, 35564289), (3, 23709526), (6, 11854763), (17, 4184034), (34, 2092017), (37, 1922394), (47, 1513374), (51, 1394678), (74, 961197), (94, 756687), (102, 697339), (111, 640798), (141, 504458), (222, 320399), (282, 252229), (401, 177378), (629, 113082), (799, 89022), (802, 88689), (1203, 59126), (1258, 56541), (1598, 44511), (1739, 40902), (1887, 37694), (2397, 29674), (2406, 29563), (3478, 20451), (3774, 18847), (4794, 14837), (5217, 13634), (6817, 10434)]