28478704

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{29179}}^1$

素因数の和:29248

約数の個数: 20

約数和(自身を含む): 56083960

約数和(自身を除く): 27605256

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 29179, 58358, 116716, 233432, 466864, 1779919, 3559838, 7119676, 14239352, 28478704]

約数ペア:

[(1, 28478704), (2, 14239352), (4, 7119676), (8, 3559838), (16, 1779919), (61, 466864), (122, 233432), (244, 116716), (488, 58358), (976, 29179)]