80875724

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1447}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 144133920

約数和(自身を除く): 63258196

約数列:

[1, 2, 4, 89, 157, 178, 314, 356, 628, 1447, 2894, 5788, 13973, 27946, 55892, 128783, 227179, 257566, 454358, 515132, 908716, 20218931, 40437862, 80875724]

約数ペア:

[(1, 80875724), (2, 40437862), (4, 20218931), (89, 908716), (157, 515132), (178, 454358), (314, 257566), (356, 227179), (628, 128783), (1447, 55892), (2894, 27946), (5788, 13973)]