81425448

素因数分解:

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

素因数の和:87018

約数の個数: 48

約数和(自身を含む): 237493620

約数和(自身を除く): 156068172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 86993, 173986, 260979, 347972, 521958, 695944, 782937, 1043916, 1130909, 1565874, 2087832, 2261818, 3131748, 3392727, 4523636, 6263496, 6785454, 9047272, 10178181, 13570908, 20356362, 27141816, 40712724, 81425448]

約数ペア:

[(1, 81425448), (2, 40712724), (3, 27141816), (4, 20356362), (6, 13570908), (8, 10178181), (9, 9047272), (12, 6785454), (13, 6263496), (18, 4523636), (24, 3392727), (26, 3131748), (36, 2261818), (39, 2087832), (52, 1565874), (72, 1130909), (78, 1043916), (104, 782937), (117, 695944), (156, 521958), (234, 347972), (312, 260979), (468, 173986), (936, 86993)]