321016841296

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{489354941}}^1$

素因数の和:489354990

約数の個数: 20

約数和(自身を含む): 637140134484

約数和(自身を除く): 316123293188

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 489354941, 978709882, 1957419764, 3914839528, 7829679056, 20063552581, 40127105162, 80254210324, 160508420648, 321016841296]

約数ペア:

[(1, 321016841296), (2, 160508420648), (4, 80254210324), (8, 40127105162), (16, 20063552581), (41, 7829679056), (82, 3914839528), (164, 1957419764), (328, 978709882), (656, 489354941)]