131688031

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 150405120

約数和(自身を除く): 18717089

約数列:

[1, 19, 31, 47, 67, 71, 589, 893, 1273, 1349, 1457, 2077, 2201, 3149, 3337, 4757, 27683, 39463, 41819, 59831, 63403, 90383, 97619, 103447, 147467, 223579, 1854761, 1965493, 2801873, 4248001, 6930949, 131688031]

約数ペア:

[(1, 131688031), (19, 6930949), (31, 4248001), (47, 2801873), (67, 1965493), (71, 1854761), (589, 223579), (893, 147467), (1273, 103447), (1349, 97619), (1457, 90383), (2077, 63403), (2201, 59831), (3149, 41819), (3337, 39463), (4757, 27683)]