80723188

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{2437}}^1$

素因数の和:2481

約数の個数: 54

約数和(自身を含む): 178015446

約数和(自身を除く): 97292258

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 637, 676, 1183, 1274, 2366, 2437, 2548, 4732, 4874, 8281, 9748, 16562, 17059, 31681, 33124, 34118, 63362, 68236, 119413, 126724, 221767, 238826, 411853, 443534, 477652, 823706, 887068, 1552369, 1647412, 2882971, 3104738, 5765942, 6209476, 11531884, 20180797, 40361594, 80723188]

約数ペア:

[(1, 80723188), (2, 40361594), (4, 20180797), (7, 11531884), (13, 6209476), (14, 5765942), (26, 3104738), (28, 2882971), (49, 1647412), (52, 1552369), (91, 887068), (98, 823706), (169, 477652), (182, 443534), (196, 411853), (338, 238826), (364, 221767), (637, 126724), (676, 119413), (1183, 68236), (1274, 63362), (2366, 34118), (2437, 33124), (2548, 31681), (4732, 17059), (4874, 16562), (8281, 9748)]