81946864

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{124919}}^1$

素因数の和:124968

約数の個数: 20

約数和(自身を含む): 162645840

約数和(自身を除く): 80698976

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 124919, 249838, 499676, 999352, 1998704, 5121679, 10243358, 20486716, 40973432, 81946864]

約数ペア:

[(1, 81946864), (2, 40973432), (4, 20486716), (8, 10243358), (16, 5121679), (41, 1998704), (82, 999352), (164, 499676), (328, 249838), (656, 124919)]