1738991891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{1361}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 2257651200

約数和(自身を除く): 518659309

約数列:

[1, 7, 13, 19, 91, 133, 247, 739, 1361, 1729, 5173, 9527, 9607, 14041, 17693, 25859, 67249, 98287, 123851, 181013, 182533, 336167, 1005779, 1277731, 2353169, 7040453, 13075127, 19109801, 91525889, 133768607, 248427413, 1738991891]

約数ペア:

[(1, 1738991891), (7, 248427413), (13, 133768607), (19, 91525889), (91, 19109801), (133, 13075127), (247, 7040453), (739, 2353169), (1361, 1277731), (1729, 1005779), (5173, 336167), (9527, 182533), (9607, 181013), (14041, 123851), (17693, 98287), (25859, 67249)]