164087990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{78511}}^1$

素因数の和:78548

約数の個数: 32

約数和(自身を含む): 339171840

約数和(自身を除く): 175083850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 78511, 157022, 392555, 785110, 863621, 1491709, 1727242, 2983418, 4318105, 7458545, 8636210, 14917090, 16408799, 32817598, 82043995, 164087990]

約数ペア:

[(1, 164087990), (2, 82043995), (5, 32817598), (10, 16408799), (11, 14917090), (19, 8636210), (22, 7458545), (38, 4318105), (55, 2983418), (95, 1727242), (110, 1491709), (190, 863621), (209, 785110), (418, 392555), (1045, 157022), (2090, 78511)]