28428568

素因数分解:

$2^3\times 7^1\times {\mathrm{373}}^1\times {\mathrm{1361}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 61126560

約数和(自身を除く): 32697992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 373, 746, 1361, 1492, 2611, 2722, 2984, 5222, 5444, 9527, 10444, 10888, 19054, 20888, 38108, 76216, 507653, 1015306, 2030612, 3553571, 4061224, 7107142, 14214284, 28428568]

約数ペア:

[(1, 28428568), (2, 14214284), (4, 7107142), (7, 4061224), (8, 3553571), (14, 2030612), (28, 1015306), (56, 507653), (373, 76216), (746, 38108), (1361, 20888), (1492, 19054), (2611, 10888), (2722, 10444), (2984, 9527), (5222, 5444)]