28961296

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19891}}^1$

素因数の和:19919

約数の個数: 40

約数和(自身を含む): 69065024

約数和(自身を除く): 40103728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19891, 39782, 79564, 139237, 159128, 258583, 278474, 318256, 517166, 556948, 1034332, 1113896, 1810081, 2068664, 2227792, 3620162, 4137328, 7240324, 14480648, 28961296]

約数ペア:

[(1, 28961296), (2, 14480648), (4, 7240324), (7, 4137328), (8, 3620162), (13, 2227792), (14, 2068664), (16, 1810081), (26, 1113896), (28, 1034332), (52, 556948), (56, 517166), (91, 318256), (104, 278474), (112, 258583), (182, 159128), (208, 139237), (364, 79564), (728, 39782), (1456, 19891)]