28905547

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 6115253

約数列:

[1, 11, 29, 31, 37, 79, 319, 341, 407, 869, 899, 1073, 1147, 2291, 2449, 2923, 9889, 11803, 12617, 25201, 26939, 32153, 33263, 71021, 84767, 90613, 365893, 781231, 932437, 996743, 2627777, 28905547]

約数ペア:

[(1, 28905547), (11, 2627777), (29, 996743), (31, 932437), (37, 781231), (79, 365893), (319, 90613), (341, 84767), (407, 71021), (869, 33263), (899, 32153), (1073, 26939), (1147, 25201), (2291, 12617), (2449, 11803), (2923, 9889)]