28520428

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{653}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 51090480

約数和(自身を除く): 22570052

約数列:

[1, 2, 4, 61, 122, 179, 244, 358, 653, 716, 1306, 2612, 10919, 21838, 39833, 43676, 79666, 116887, 159332, 233774, 467548, 7130107, 14260214, 28520428]

約数ペア:

[(1, 28520428), (2, 14260214), (4, 7130107), (61, 467548), (122, 233774), (179, 159332), (244, 116887), (358, 79666), (653, 43676), (716, 39833), (1306, 21838), (2612, 10919)]