81566704

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164449}}^1$

素因数の和:164488

約数の個数: 20

約数和(自身を含む): 163134400

約数和(自身を除く): 81567696

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164449, 328898, 657796, 1315592, 2631184, 5097919, 10195838, 20391676, 40783352, 81566704]

約数ペア:

[(1, 81566704), (2, 40783352), (4, 20391676), (8, 10195838), (16, 5097919), (31, 2631184), (62, 1315592), (124, 657796), (248, 328898), (496, 164449)]