257847252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{86993}}^1$

素因数の和:87032

約数の個数: 48

約数和(自身を含む): 682032960

約数和(自身を除く): 424185708

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 86993, 173986, 260979, 347972, 521958, 1043916, 1130909, 1652867, 2261818, 3305734, 3392727, 4523636, 4958601, 6611468, 6785454, 9917202, 13570908, 19834404, 21487271, 42974542, 64461813, 85949084, 128923626, 257847252]

約数ペア:

[(1, 257847252), (2, 128923626), (3, 85949084), (4, 64461813), (6, 42974542), (12, 21487271), (13, 19834404), (19, 13570908), (26, 9917202), (38, 6785454), (39, 6611468), (52, 4958601), (57, 4523636), (76, 3392727), (78, 3305734), (114, 2261818), (156, 1652867), (228, 1130909), (247, 1043916), (494, 521958), (741, 347972), (988, 260979), (1482, 173986), (2964, 86993)]