81705274

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{188261}}^1$

素因数の和:188301

約数の個数: 16

約数和(自身を含む): 144585216

約数和(自身を除く): 62879942

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 188261, 376522, 1317827, 2635654, 5836091, 11672182, 40852637, 81705274]

約数ペア:

[(1, 81705274), (2, 40852637), (7, 11672182), (14, 5836091), (31, 2635654), (62, 1317827), (217, 376522), (434, 188261)]