28755142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 48492864

約数和(自身を除く): 19737722

約数列:

[1, 2, 13, 26, 37, 71, 74, 142, 421, 481, 842, 923, 962, 1846, 2627, 5254, 5473, 10946, 15577, 29891, 31154, 34151, 59782, 68302, 202501, 388583, 405002, 777166, 1105967, 2211934, 14377571, 28755142]

約数ペア:

[(1, 28755142), (2, 14377571), (13, 2211934), (26, 1105967), (37, 777166), (71, 405002), (74, 388583), (142, 202501), (421, 68302), (481, 59782), (842, 34151), (923, 31154), (962, 29891), (1846, 15577), (2627, 10946), (5254, 5473)]