317908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 24

約数和(自身を含む): 604800

約数和(自身を除く): 286892

約数列:

[1, 2, 4, 19, 38, 47, 76, 89, 94, 178, 188, 356, 893, 1691, 1786, 3382, 3572, 4183, 6764, 8366, 16732, 79477, 158954, 317908]

約数ペア:

[(1, 317908), (2, 158954), (4, 79477), (19, 16732), (38, 8366), (47, 6764), (76, 4183), (89, 3572), (94, 3382), (178, 1786), (188, 1691), (356, 893)]