28418768

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2851}}^1$

素因数の和:2955

約数の個数: 40

約数和(自身を含む): 63656640

約数和(自身を除く): 35237872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 2851, 4984, 5702, 9968, 11404, 19957, 22808, 39914, 45616, 79828, 159656, 253739, 319312, 507478, 1014956, 1776173, 2029912, 3552346, 4059824, 7104692, 14209384, 28418768]

約数ペア:

[(1, 28418768), (2, 14209384), (4, 7104692), (7, 4059824), (8, 3552346), (14, 2029912), (16, 1776173), (28, 1014956), (56, 507478), (89, 319312), (112, 253739), (178, 159656), (356, 79828), (623, 45616), (712, 39914), (1246, 22808), (1424, 19957), (2492, 11404), (2851, 9968), (4984, 5702)]