649718810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{29573}}^1$

素因数の和:29619

約数の個数: 32

約数和(自身を含む): 1266950160

約数和(自身を除く): 617231350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 10985, 21970, 29573, 59146, 147865, 295730, 384449, 768898, 1922245, 3844490, 4997837, 9995674, 24989185, 49978370, 64971881, 129943762, 324859405, 649718810]

約数ペア:

[(1, 649718810), (2, 324859405), (5, 129943762), (10, 64971881), (13, 49978370), (26, 24989185), (65, 9995674), (130, 4997837), (169, 3844490), (338, 1922245), (845, 768898), (1690, 384449), (2197, 295730), (4394, 147865), (10985, 59146), (21970, 29573)]