81129904

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{34031}}^1$

素因数の和:34188

約数の個数: 20

約数和(自身を含む): 158248800

約数和(自身を除く): 77118896

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 34031, 68062, 136124, 272248, 544496, 5070619, 10141238, 20282476, 40564952, 81129904]

約数ペア:

[(1, 81129904), (2, 40564952), (4, 20282476), (8, 10141238), (16, 5070619), (149, 544496), (298, 272248), (596, 136124), (1192, 68062), (2384, 34031)]