155406916

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{24889}}^1$

素因数の和:25123

約数の個数: 24

約数和(自身を含む): 312220160

約数和(自身を除く): 156813244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 24889, 49778, 99556, 174223, 348446, 696892, 5550247, 11100494, 22200988, 38851729, 77703458, 155406916]

約数ペア:

[(1, 155406916), (2, 77703458), (4, 38851729), (7, 22200988), (14, 11100494), (28, 5550247), (223, 696892), (446, 348446), (892, 174223), (1561, 99556), (3122, 49778), (6244, 24889)]