1271632

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 2678400

約数和(自身を除く): 1406768

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 89, 94, 152, 178, 188, 304, 356, 376, 712, 752, 893, 1424, 1691, 1786, 3382, 3572, 4183, 6764, 7144, 8366, 13528, 14288, 16732, 27056, 33464, 66928, 79477, 158954, 317908, 635816, 1271632]

約数ペア:

[(1, 1271632), (2, 635816), (4, 317908), (8, 158954), (16, 79477), (19, 66928), (38, 33464), (47, 27056), (76, 16732), (89, 14288), (94, 13528), (152, 8366), (178, 7144), (188, 6764), (304, 4183), (356, 3572), (376, 3382), (712, 1786), (752, 1691), (893, 1424)]