38918672

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 60

約数和(自身を含む): 84073860

約数和(自身を除く): 45155188

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 169, 208, 296, 338, 389, 481, 592, 676, 778, 962, 1352, 1556, 1924, 2704, 3112, 3848, 5057, 6224, 6253, 7696, 10114, 12506, 14393, 20228, 25012, 28786, 40456, 50024, 57572, 65741, 80912, 100048, 115144, 131482, 187109, 230288, 262964, 374218, 525928, 748436, 1051856, 1496872, 2432417, 2993744, 4864834, 9729668, 19459336, 38918672]

約数ペア:

[(1, 38918672), (2, 19459336), (4, 9729668), (8, 4864834), (13, 2993744), (16, 2432417), (26, 1496872), (37, 1051856), (52, 748436), (74, 525928), (104, 374218), (148, 262964), (169, 230288), (208, 187109), (296, 131482), (338, 115144), (389, 100048), (481, 80912), (592, 65741), (676, 57572), (778, 50024), (962, 40456), (1352, 28786), (1556, 25012), (1924, 20228), (2704, 14393), (3112, 12506), (3848, 10114), (5057, 7696), (6224, 6253)]