131216176

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90121}}^1$

素因数の和:90149

約数の個数: 40

約数和(自身を含む): 312903584

約数和(自身を除く): 181687408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 90121, 180242, 360484, 630847, 720968, 1171573, 1261694, 1441936, 2343146, 2523388, 4686292, 5046776, 8201011, 9372584, 10093552, 16402022, 18745168, 32804044, 65608088, 131216176]

約数ペア:

[(1, 131216176), (2, 65608088), (4, 32804044), (7, 18745168), (8, 16402022), (13, 10093552), (14, 9372584), (16, 8201011), (26, 5046776), (28, 4686292), (52, 2523388), (56, 2343146), (91, 1441936), (104, 1261694), (112, 1171573), (182, 720968), (208, 630847), (364, 360484), (728, 180242), (1456, 90121)]