639755392

素因数分解:

$2^7\times {\mathrm{4998089}}^1$

素因数の和:4998103

約数の個数: 16

約数和(自身を含む): 1274512950

約数和(自身を除く): 634757558

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 4998089, 9996178, 19992356, 39984712, 79969424, 159938848, 319877696, 639755392]

約数ペア:

[(1, 639755392), (2, 319877696), (4, 159938848), (8, 79969424), (16, 39984712), (32, 19992356), (64, 9996178), (128, 4998089)]