251189224

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:20002

約数の個数: 48

約数和(自身を含む): 557538660

約数和(自身を除く): 306349436

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 3146, 6292, 12584, 19961, 39922, 79844, 159688, 219571, 259493, 439142, 518986, 878284, 1037972, 1756568, 2075944, 2415281, 2854423, 4830562, 5708846, 9661124, 11417692, 19322248, 22835384, 31398653, 62797306, 125594612, 251189224]

約数ペア:

[(1, 251189224), (2, 125594612), (4, 62797306), (8, 31398653), (11, 22835384), (13, 19322248), (22, 11417692), (26, 9661124), (44, 5708846), (52, 4830562), (88, 2854423), (104, 2415281), (121, 2075944), (143, 1756568), (242, 1037972), (286, 878284), (484, 518986), (572, 439142), (968, 259493), (1144, 219571), (1573, 159688), (3146, 79844), (6292, 39922), (12584, 19961)]