78990338

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 140448000

約数和(自身を除く): 61457662

約数列:

[1, 2, 7, 14, 37, 74, 109, 218, 259, 518, 763, 1399, 1526, 2798, 4033, 8066, 9793, 19586, 28231, 51763, 56462, 103526, 152491, 304982, 362341, 724682, 1067437, 2134874, 5642167, 11284334, 39495169, 78990338]

約数ペア:

[(1, 78990338), (2, 39495169), (7, 11284334), (14, 5642167), (37, 2134874), (74, 1067437), (109, 724682), (218, 362341), (259, 304982), (518, 152491), (763, 103526), (1399, 56462), (1526, 51763), (2798, 28231), (4033, 19586), (8066, 9793)]