28341170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19819}}^1$

素因数の和:19850

約数の個数: 32

約数和(自身を含む): 59935680

約数和(自身を除く): 31594510

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19819, 39638, 99095, 198190, 218009, 257647, 436018, 515294, 1090045, 1288235, 2180090, 2576470, 2834117, 5668234, 14170585, 28341170]

約数ペア:

[(1, 28341170), (2, 14170585), (5, 5668234), (10, 2834117), (11, 2576470), (13, 2180090), (22, 1288235), (26, 1090045), (55, 515294), (65, 436018), (110, 257647), (130, 218009), (143, 198190), (286, 99095), (715, 39638), (1430, 19819)]