656309810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{29873}}^1$

素因数の和:29919

約数の個数: 32

約数和(自身を含む): 1279802160

約数和(自身を除く): 623492350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 10985, 21970, 29873, 59746, 149365, 298730, 388349, 776698, 1941745, 3883490, 5048537, 10097074, 25242685, 50485370, 65630981, 131261962, 328154905, 656309810]

約数ペア:

[(1, 656309810), (2, 328154905), (5, 131261962), (10, 65630981), (13, 50485370), (26, 25242685), (65, 10097074), (130, 5048537), (169, 3883490), (338, 1941745), (845, 776698), (1690, 388349), (2197, 298730), (4394, 149365), (10985, 59746), (21970, 29873)]