1720262621

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{13681}}^1$

素因数の和:13793

約数の個数: 32

約数和(自身を含む): 2269679616

約数和(自身を除く): 549416995

約数列:

[1, 7, 11, 23, 71, 77, 161, 253, 497, 781, 1633, 1771, 5467, 11431, 13681, 17963, 95767, 125741, 150491, 314663, 971351, 1053437, 2202641, 3461293, 6799457, 10684861, 22341073, 24229051, 74794027, 156387511, 245751803, 1720262621]

約数ペア:

[(1, 1720262621), (7, 245751803), (11, 156387511), (23, 74794027), (71, 24229051), (77, 22341073), (161, 10684861), (253, 6799457), (497, 3461293), (781, 2202641), (1633, 1053437), (1771, 971351), (5467, 314663), (11431, 150491), (13681, 125741), (17963, 95767)]