28706072

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 55598400

約数和(自身を除く): 26892328

約数列:

[1, 2, 4, 8, 53, 79, 106, 158, 212, 316, 424, 632, 857, 1714, 3428, 4187, 6856, 8374, 16748, 33496, 45421, 67703, 90842, 135406, 181684, 270812, 363368, 541624, 3588259, 7176518, 14353036, 28706072]

約数ペア:

[(1, 28706072), (2, 14353036), (4, 7176518), (8, 3588259), (53, 541624), (79, 363368), (106, 270812), (158, 181684), (212, 135406), (316, 90842), (424, 67703), (632, 45421), (857, 33496), (1714, 16748), (3428, 8374), (4187, 6856)]