64213856

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3221}}^1$

素因数の和:3327

約数の個数: 48

約数和(自身を含む): 146149920

約数和(自身を除く): 81936064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 1246, 1424, 2492, 2848, 3221, 4984, 6442, 9968, 12884, 19936, 22547, 25768, 45094, 51536, 90188, 103072, 180376, 286669, 360752, 573338, 721504, 1146676, 2006683, 2293352, 4013366, 4586704, 8026732, 9173408, 16053464, 32106928, 64213856]

約数ペア:

[(1, 64213856), (2, 32106928), (4, 16053464), (7, 9173408), (8, 8026732), (14, 4586704), (16, 4013366), (28, 2293352), (32, 2006683), (56, 1146676), (89, 721504), (112, 573338), (178, 360752), (224, 286669), (356, 180376), (623, 103072), (712, 90188), (1246, 51536), (1424, 45094), (2492, 25768), (2848, 22547), (3221, 19936), (4984, 12884), (6442, 9968)]