31427039

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 8386081

約数列:

[1, 7, 23, 29, 53, 127, 161, 203, 371, 667, 889, 1219, 1537, 2921, 3683, 4669, 6731, 8533, 10759, 20447, 25781, 35351, 47117, 84709, 154813, 195199, 247457, 592963, 1083691, 1366393, 4489577, 31427039]

約数ペア:

[(1, 31427039), (7, 4489577), (23, 1366393), (29, 1083691), (53, 592963), (127, 247457), (161, 195199), (203, 154813), (371, 84709), (667, 47117), (889, 35351), (1219, 25781), (1537, 20447), (2921, 10759), (3683, 8533), (4669, 6731)]