28708004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 57021888

約数和(自身を除く): 28313884

約数列:

[1, 2, 4, 13, 26, 37, 43, 52, 74, 86, 148, 172, 347, 481, 559, 694, 962, 1118, 1388, 1591, 1924, 2236, 3182, 4511, 6364, 9022, 12839, 14921, 18044, 20683, 25678, 29842, 41366, 51356, 59684, 82732, 166907, 193973, 333814, 387946, 552077, 667628, 775892, 1104154, 2208308, 7177001, 14354002, 28708004]

約数ペア:

[(1, 28708004), (2, 14354002), (4, 7177001), (13, 2208308), (26, 1104154), (37, 775892), (43, 667628), (52, 552077), (74, 387946), (86, 333814), (148, 193973), (172, 166907), (347, 82732), (481, 59684), (559, 51356), (694, 41366), (962, 29842), (1118, 25678), (1388, 20683), (1591, 18044), (1924, 14921), (2236, 12839), (3182, 9022), (4511, 6364)]