13920808

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 29230740

約数和(自身を除く): 15309932

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 121, 146, 197, 242, 292, 394, 484, 584, 788, 803, 968, 1576, 1606, 2167, 3212, 4334, 6424, 8668, 8833, 14381, 17336, 17666, 23837, 28762, 35332, 47674, 57524, 70664, 95348, 115048, 158191, 190696, 316382, 632764, 1265528, 1740101, 3480202, 6960404, 13920808]

約数ペア:

[(1, 13920808), (2, 6960404), (4, 3480202), (8, 1740101), (11, 1265528), (22, 632764), (44, 316382), (73, 190696), (88, 158191), (121, 115048), (146, 95348), (197, 70664), (242, 57524), (292, 47674), (394, 35332), (484, 28762), (584, 23837), (788, 17666), (803, 17336), (968, 14381), (1576, 8833), (1606, 8668), (2167, 6424), (3212, 4334)]