1388790745

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{661}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 1762328736

約数和(自身を除く): 373537991

約数列:

[1, 5, 37, 41, 185, 205, 277, 661, 1385, 1517, 3305, 7585, 10249, 11357, 24457, 27101, 51245, 56785, 122285, 135505, 183097, 420209, 915485, 1002737, 2101045, 5013685, 6774589, 7506977, 33872945, 37534885, 277758149, 1388790745]

約数ペア:

[(1, 1388790745), (5, 277758149), (37, 37534885), (41, 33872945), (185, 7506977), (205, 6774589), (277, 5013685), (661, 2101045), (1385, 1002737), (1517, 915485), (3305, 420209), (7585, 183097), (10249, 135505), (11357, 122285), (24457, 56785), (27101, 51245)]