421869872

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{255989}}^1$

素因数の和:256100

約数の個数: 20

約数和(自身を含む): 825311760

約数和(自身を除く): 403441888

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 255989, 511978, 1023956, 2047912, 4095824, 26366867, 52733734, 105467468, 210934936, 421869872]

約数ペア:

[(1, 421869872), (2, 210934936), (4, 105467468), (8, 52733734), (16, 26366867), (103, 4095824), (206, 2047912), (412, 1023956), (824, 511978), (1648, 255989)]