87131948

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1193}}^1$

素因数の和:1278

約数の個数: 36

約数和(自身を含む): 165989880

約数和(自身を除く): 78857932

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 961, 1178, 1193, 1922, 2356, 2386, 3844, 4772, 18259, 22667, 36518, 36983, 45334, 73036, 73966, 90668, 147932, 702677, 1146473, 1405354, 2292946, 2810708, 4585892, 21782987, 43565974, 87131948]

約数ペア:

[(1, 87131948), (2, 43565974), (4, 21782987), (19, 4585892), (31, 2810708), (38, 2292946), (62, 1405354), (76, 1146473), (124, 702677), (589, 147932), (961, 90668), (1178, 73966), (1193, 73036), (1922, 45334), (2356, 36983), (2386, 36518), (3844, 22667), (4772, 18259)]