15691228

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{811}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 31466624

約数和(自身を除く): 15775396

約数列:

[1, 2, 4, 7, 14, 28, 691, 811, 1382, 1622, 2764, 3244, 4837, 5677, 9674, 11354, 19348, 22708, 560401, 1120802, 2241604, 3922807, 7845614, 15691228]

約数ペア:

[(1, 15691228), (2, 7845614), (4, 3922807), (7, 2241604), (14, 1120802), (28, 560401), (691, 22708), (811, 19348), (1382, 11354), (1622, 9674), (2764, 5677), (3244, 4837)]