28312648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38891}}^1$

素因数の和:38917

約数の個数: 32

約数和(自身を含む): 65338560

約数和(自身を除く): 37025912

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38891, 77782, 155564, 272237, 311128, 505583, 544474, 1011166, 1088948, 2022332, 2177896, 3539081, 4044664, 7078162, 14156324, 28312648]

約数ペア:

[(1, 28312648), (2, 14156324), (4, 7078162), (7, 4044664), (8, 3539081), (13, 2177896), (14, 2022332), (26, 1088948), (28, 1011166), (52, 544474), (56, 505583), (91, 311128), (104, 272237), (182, 155564), (364, 77782), (728, 38891)]