64388005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 86894208

約数和(自身を除く): 22506203

約数列:

[1, 5, 11, 55, 67, 101, 173, 335, 505, 737, 865, 1111, 1903, 3685, 5555, 6767, 9515, 11591, 17473, 33835, 57955, 74437, 87365, 127501, 192203, 372185, 637505, 961015, 1170691, 5853455, 12877601, 64388005]

約数ペア:

[(1, 64388005), (5, 12877601), (11, 5853455), (55, 1170691), (67, 961015), (101, 637505), (173, 372185), (335, 192203), (505, 127501), (737, 87365), (865, 74437), (1111, 57955), (1903, 33835), (3685, 17473), (5555, 11591), (6767, 9515)]