13487408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 28725840

約数和(自身を除く): 15238432

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 197, 389, 394, 778, 788, 1556, 1576, 2167, 3112, 3152, 4279, 4334, 6224, 8558, 8668, 17116, 17336, 34232, 34672, 68464, 76633, 153266, 306532, 613064, 842963, 1226128, 1685926, 3371852, 6743704, 13487408]

約数ペア:

[(1, 13487408), (2, 6743704), (4, 3371852), (8, 1685926), (11, 1226128), (16, 842963), (22, 613064), (44, 306532), (88, 153266), (176, 76633), (197, 68464), (389, 34672), (394, 34232), (778, 17336), (788, 17116), (1556, 8668), (1576, 8558), (2167, 6224), (3112, 4334), (3152, 4279)]