28389712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3329}}^1$

素因数の和:3391

約数の個数: 40

約数和(自身を含む): 60699240

約数和(自身を除く): 32309528

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 3329, 4264, 6658, 8528, 13316, 26632, 43277, 53264, 86554, 136489, 173108, 272978, 346216, 545956, 692432, 1091912, 1774357, 2183824, 3548714, 7097428, 14194856, 28389712]

約数ペア:

[(1, 28389712), (2, 14194856), (4, 7097428), (8, 3548714), (13, 2183824), (16, 1774357), (26, 1091912), (41, 692432), (52, 545956), (82, 346216), (104, 272978), (164, 173108), (208, 136489), (328, 86554), (533, 53264), (656, 43277), (1066, 26632), (2132, 13316), (3329, 8528), (4264, 6658)]