207223709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 66491491

約数列:

[1, 7, 11, 19, 77, 133, 197, 209, 719, 1379, 1463, 2167, 3743, 5033, 7909, 13661, 15169, 26201, 41173, 55363, 95627, 141643, 150271, 288211, 991501, 1051897, 1558073, 2691217, 10906511, 18838519, 29603387, 207223709]

約数ペア:

[(1, 207223709), (7, 29603387), (11, 18838519), (19, 10906511), (77, 2691217), (133, 1558073), (197, 1051897), (209, 991501), (719, 288211), (1379, 150271), (1463, 141643), (2167, 95627), (3743, 55363), (5033, 41173), (7909, 26201), (13661, 15169)]