28021294

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 49800960

約数和(自身を除く): 21779666

約数列:

[1, 2, 7, 14, 43, 86, 89, 178, 301, 523, 602, 623, 1046, 1246, 3661, 3827, 7322, 7654, 22489, 26789, 44978, 46547, 53578, 93094, 157423, 314846, 325829, 651658, 2001521, 4003042, 14010647, 28021294]

約数ペア:

[(1, 28021294), (2, 14010647), (7, 4003042), (14, 2001521), (43, 651658), (86, 325829), (89, 314846), (178, 157423), (301, 93094), (523, 53578), (602, 46547), (623, 44978), (1046, 26789), (1246, 22489), (3661, 7654), (3827, 7322)]