390106444

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 859841808

約数和(自身を除く): 469735364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 283, 364, 541, 566, 637, 1082, 1132, 1274, 1981, 2164, 2548, 3679, 3787, 3962, 7033, 7358, 7574, 7924, 13867, 14066, 14716, 15148, 25753, 26509, 27734, 28132, 49231, 51506, 53018, 55468, 98462, 103012, 106036, 153103, 180271, 196924, 306206, 344617, 360542, 612412, 689234, 721084, 1071721, 1378468, 1990339, 2143442, 3980678, 4286884, 7502047, 7961356, 13932373, 15004094, 27864746, 30008188, 55729492, 97526611, 195053222, 390106444]

約数ペア:

[(1, 390106444), (2, 195053222), (4, 97526611), (7, 55729492), (13, 30008188), (14, 27864746), (26, 15004094), (28, 13932373), (49, 7961356), (52, 7502047), (91, 4286884), (98, 3980678), (182, 2143442), (196, 1990339), (283, 1378468), (364, 1071721), (541, 721084), (566, 689234), (637, 612412), (1082, 360542), (1132, 344617), (1274, 306206), (1981, 196924), (2164, 180271), (2548, 153103), (3679, 106036), (3787, 103012), (3962, 98462), (7033, 55468), (7358, 53018), (7574, 51506), (7924, 49231), (13867, 28132), (14066, 27734), (14716, 26509), (15148, 25753)]