81575272

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{77839}}^1$

素因数の和:77976

約数の個数: 16

約数和(自身を含む): 154123200

約数和(自身を除く): 72547928

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 77839, 155678, 311356, 622712, 10196909, 20393818, 40787636, 81575272]

約数ペア:

[(1, 81575272), (2, 40787636), (4, 20393818), (8, 10196909), (131, 622712), (262, 311356), (524, 155678), (1048, 77839)]