13840508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 27847680

約数和(自身を除く): 14007172

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 73, 124, 139, 146, 278, 292, 341, 556, 682, 803, 1364, 1529, 1606, 2263, 3058, 3212, 4309, 4526, 6116, 8618, 9052, 10147, 17236, 20294, 24893, 40588, 47399, 49786, 94798, 99572, 111617, 189596, 223234, 314557, 446468, 629114, 1258228, 3460127, 6920254, 13840508]

約数ペア:

[(1, 13840508), (2, 6920254), (4, 3460127), (11, 1258228), (22, 629114), (31, 446468), (44, 314557), (62, 223234), (73, 189596), (124, 111617), (139, 99572), (146, 94798), (278, 49786), (292, 47399), (341, 40588), (556, 24893), (682, 20294), (803, 17236), (1364, 10147), (1529, 9052), (1606, 8618), (2263, 6116), (3058, 4526), (3212, 4309)]