28118828

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 50265600

約数和(自身を除く): 22146772

約数列:

[1, 2, 4, 67, 134, 239, 268, 439, 478, 878, 956, 1756, 16013, 29413, 32026, 58826, 64052, 104921, 117652, 209842, 419684, 7029707, 14059414, 28118828]

約数ペア:

[(1, 28118828), (2, 14059414), (4, 7029707), (67, 419684), (134, 209842), (239, 117652), (268, 104921), (439, 64052), (478, 58826), (878, 32026), (956, 29413), (1756, 16013)]