28788914

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9839}}^1$

素因数の和:9878

約数の個数: 32

約数和(自身を含む): 56678400

約数和(自身を除く): 27889486

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 9839, 19678, 68873, 108229, 137746, 186941, 216458, 373882, 757603, 1308587, 1515206, 2056351, 2617174, 4112702, 14394457, 28788914]

約数ペア:

[(1, 28788914), (2, 14394457), (7, 4112702), (11, 2617174), (14, 2056351), (19, 1515206), (22, 1308587), (38, 757603), (77, 373882), (133, 216458), (154, 186941), (209, 137746), (266, 108229), (418, 68873), (1463, 19678), (2926, 9839)]