81551824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164419}}^1$

素因数の和:164458

約数の個数: 20

約数和(自身を含む): 163104640

約数和(自身を除く): 81552816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164419, 328838, 657676, 1315352, 2630704, 5096989, 10193978, 20387956, 40775912, 81551824]

約数ペア:

[(1, 81551824), (2, 40775912), (4, 20387956), (8, 10193978), (16, 5096989), (31, 2630704), (62, 1315352), (124, 657676), (248, 328838), (496, 164419)]