1221521436

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{244109}}^1$

素因数の和:244258

約数の個数: 36

約数和(自身を含む): 3109961400

約数和(自身を除く): 1888439964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 244109, 488218, 732327, 976436, 1464654, 2196981, 2929308, 4393962, 8787924, 33931151, 67862302, 101793453, 135724604, 203586906, 305380359, 407173812, 610760718, 1221521436]

約数ペア:

[(1, 1221521436), (2, 610760718), (3, 407173812), (4, 305380359), (6, 203586906), (9, 135724604), (12, 101793453), (18, 67862302), (36, 33931151), (139, 8787924), (278, 4393962), (417, 2929308), (556, 2196981), (834, 1464654), (1251, 976436), (1668, 732327), (2502, 488218), (5004, 244109)]