81986881

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1151}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 90685440

約数和(自身を除く): 8698559

約数列:

[1, 19, 23, 163, 437, 1151, 3097, 3749, 21869, 26473, 71231, 187613, 502987, 3564647, 4315099, 81986881]

約数ペア:

[(1, 81986881), (19, 4315099), (23, 3564647), (163, 502987), (437, 187613), (1151, 71231), (3097, 26473), (3749, 21869)]