71707636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17909}}^1$

素因数の和:17944

約数の個数: 48

約数和(自身を含む): 168497280

約数和(自身を除く): 96789644

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 17909, 35818, 71636, 125363, 196999, 232817, 250726, 393998, 465634, 501452, 787996, 931268, 1378993, 1629719, 2560987, 2757986, 3259438, 5121974, 5515972, 6518876, 10243948, 17926909, 35853818, 71707636]

約数ペア:

[(1, 71707636), (2, 35853818), (4, 17926909), (7, 10243948), (11, 6518876), (13, 5515972), (14, 5121974), (22, 3259438), (26, 2757986), (28, 2560987), (44, 1629719), (52, 1378993), (77, 931268), (91, 787996), (143, 501452), (154, 465634), (182, 393998), (286, 250726), (308, 232817), (364, 196999), (572, 125363), (1001, 71636), (2002, 35818), (4004, 17909)]