638957242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1091}}^1\times {\mathrm{3803}}^1$

素因数の和:4914

約数の個数: 32

約数和(自身を含む): 1196342784

約数和(自身を除く): 557385542

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1091, 2182, 3803, 7606, 7637, 12001, 15274, 24002, 26621, 41833, 53242, 83666, 84007, 168014, 292831, 585662, 4149073, 8298146, 29043511, 45639803, 58087022, 91279606, 319478621, 638957242]

約数ペア:

[(1, 638957242), (2, 319478621), (7, 91279606), (11, 58087022), (14, 45639803), (22, 29043511), (77, 8298146), (154, 4149073), (1091, 585662), (2182, 292831), (3803, 168014), (7606, 84007), (7637, 83666), (12001, 53242), (15274, 41833), (24002, 26621)]