1289073565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461207}}^1$

素因数の和:461268

約数の個数: 16

約数和(自身を含む): 1704624768

約数和(自身を除く): 415551203

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 461207, 2306035, 5995691, 19831901, 29978455, 99159505, 257814713, 1289073565]

約数ペア:

[(1, 1289073565), (5, 257814713), (13, 99159505), (43, 29978455), (65, 19831901), (215, 5995691), (559, 2306035), (2795, 461207)]