81913984

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{5039}}^1$

素因数の和:5180

約数の個数: 32

約数和(自身を含む): 164505600

約数和(自身を除く): 82591616

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 5039, 8128, 10078, 16256, 20156, 40312, 80624, 161248, 322496, 639953, 644992, 1279906, 2559812, 5119624, 10239248, 20478496, 40956992, 81913984]

約数ペア:

[(1, 81913984), (2, 40956992), (4, 20478496), (8, 10239248), (16, 5119624), (32, 2559812), (64, 1279906), (127, 644992), (128, 639953), (254, 322496), (508, 161248), (1016, 80624), (2032, 40312), (4064, 20156), (5039, 16256), (8128, 10078)]