28380716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77969}}^1$

素因数の和:77993

約数の個数: 24

約数和(自身を含む): 61128480

約数和(自身を除く): 32747764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 77969, 155938, 311876, 545783, 1013597, 1091566, 2027194, 2183132, 4054388, 7095179, 14190358, 28380716]

約数ペア:

[(1, 28380716), (2, 14190358), (4, 7095179), (7, 4054388), (13, 2183132), (14, 2027194), (26, 1091566), (28, 1013597), (52, 545783), (91, 311876), (182, 155938), (364, 77969)]