1991891244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{131011}}^1$

素因数の和:131206

約数の個数: 48

約数和(自身を含む): 5341097216

約数和(自身を除く): 3349205972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 181, 362, 543, 724, 1086, 1267, 2172, 2534, 3801, 5068, 7602, 15204, 131011, 262022, 393033, 524044, 786066, 917077, 1572132, 1834154, 2751231, 3668308, 5502462, 11004924, 23712991, 47425982, 71138973, 94851964, 142277946, 165990937, 284555892, 331981874, 497972811, 663963748, 995945622, 1991891244]

約数ペア:

[(1, 1991891244), (2, 995945622), (3, 663963748), (4, 497972811), (6, 331981874), (7, 284555892), (12, 165990937), (14, 142277946), (21, 94851964), (28, 71138973), (42, 47425982), (84, 23712991), (181, 11004924), (362, 5502462), (543, 3668308), (724, 2751231), (1086, 1834154), (1267, 1572132), (2172, 917077), (2534, 786066), (3801, 524044), (5068, 393033), (7602, 262022), (15204, 131011)]