28484575

素因数分解:

$5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 40691840

約数和(自身を除く): 12207265

約数列:

[1, 5, 7, 25, 35, 139, 175, 695, 973, 1171, 3475, 4865, 5855, 8197, 24325, 29275, 40985, 162769, 204925, 813845, 1139383, 4069225, 5696915, 28484575]

約数ペア:

[(1, 28484575), (5, 5696915), (7, 4069225), (25, 1139383), (35, 813845), (139, 204925), (175, 162769), (695, 40985), (973, 29275), (1171, 24325), (3475, 8197), (4865, 5855)]