81695068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 177748480

約数和(自身を除く): 96053412

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 721, 1339, 1442, 2179, 2678, 2884, 4358, 5356, 8716, 9373, 15253, 18746, 28327, 30506, 37492, 56654, 61012, 113308, 198289, 224437, 396578, 448874, 793156, 897748, 1571059, 2917681, 3142118, 5835362, 6284236, 11670724, 20423767, 40847534, 81695068]

約数ペア:

[(1, 81695068), (2, 40847534), (4, 20423767), (7, 11670724), (13, 6284236), (14, 5835362), (26, 3142118), (28, 2917681), (52, 1571059), (91, 897748), (103, 793156), (182, 448874), (206, 396578), (364, 224437), (412, 198289), (721, 113308), (1339, 61012), (1442, 56654), (2179, 37492), (2678, 30506), (2884, 28327), (4358, 18746), (5356, 15253), (8716, 9373)]