30712328

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 58968000

約数和(自身を除く): 28255672

約数列:

[1, 2, 4, 8, 71, 139, 142, 278, 284, 389, 556, 568, 778, 1112, 1556, 3112, 9869, 19738, 27619, 39476, 54071, 55238, 78952, 108142, 110476, 216284, 220952, 432568, 3839041, 7678082, 15356164, 30712328]

約数ペア:

[(1, 30712328), (2, 15356164), (4, 7678082), (8, 3839041), (71, 432568), (139, 220952), (142, 216284), (278, 110476), (284, 108142), (389, 78952), (556, 55238), (568, 54071), (778, 39476), (1112, 27619), (1556, 19738), (3112, 9869)]