28721894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 46823616

約数和(自身を除く): 18101722

約数列:

[1, 2, 23, 41, 46, 82, 97, 157, 194, 314, 943, 1886, 2231, 3611, 3977, 4462, 6437, 7222, 7954, 12874, 15229, 30458, 91471, 148051, 182942, 296102, 350267, 624389, 700534, 1248778, 14360947, 28721894]

約数ペア:

[(1, 28721894), (2, 14360947), (23, 1248778), (41, 700534), (46, 624389), (82, 350267), (97, 296102), (157, 182942), (194, 148051), (314, 91471), (943, 30458), (1886, 15229), (2231, 12874), (3611, 7954), (3977, 7222), (4462, 6437)]