638961088

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{322057}}^1$

素因数の和:322100

約数の個数: 28

約数和(自身を含む): 1308843712

約数和(自身を除く): 669882624

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 322057, 644114, 1288228, 2576456, 5152912, 9983767, 10305824, 19967534, 20611648, 39935068, 79870136, 159740272, 319480544, 638961088]

約数ペア:

[(1, 638961088), (2, 319480544), (4, 159740272), (8, 79870136), (16, 39935068), (31, 20611648), (32, 19967534), (62, 10305824), (64, 9983767), (124, 5152912), (248, 2576456), (496, 1288228), (992, 644114), (1984, 322057)]