81528448

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{8971}}^1$

素因数の和:9056

約数の個数: 32

約数和(自身を含む): 164725920

約数和(自身を除く): 83197472

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 4544, 8971, 9088, 17942, 35884, 71768, 143536, 287072, 574144, 636941, 1148288, 1273882, 2547764, 5095528, 10191056, 20382112, 40764224, 81528448]

約数ペア:

[(1, 81528448), (2, 40764224), (4, 20382112), (8, 10191056), (16, 5095528), (32, 2547764), (64, 1273882), (71, 1148288), (128, 636941), (142, 574144), (284, 287072), (568, 143536), (1136, 71768), (2272, 35884), (4544, 17942), (8971, 9088)]