991876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 1890560

約数和(自身を除く): 898684

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 421, 589, 842, 1178, 1684, 2356, 7999, 13051, 15998, 26102, 31996, 52204, 247969, 495938, 991876]

約数ペア:

[(1, 991876), (2, 495938), (4, 247969), (19, 52204), (31, 31996), (38, 26102), (62, 15998), (76, 13051), (124, 7999), (421, 2356), (589, 1684), (842, 1178)]