388655878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 657491184

約数和(自身を除く): 268835306

約数列:

[1, 2, 13, 26, 47, 67, 94, 101, 134, 202, 611, 871, 1222, 1313, 1742, 2209, 2626, 3149, 4418, 4747, 6298, 6767, 9494, 13534, 28717, 40937, 57434, 61711, 81874, 87971, 123422, 148003, 175942, 223109, 296006, 318049, 446218, 636098, 1924039, 2900417, 3848078, 4134637, 5800834, 8269274, 14948303, 29896606, 194327939, 388655878]

約数ペア:

[(1, 388655878), (2, 194327939), (13, 29896606), (26, 14948303), (47, 8269274), (67, 5800834), (94, 4134637), (101, 3848078), (134, 2900417), (202, 1924039), (611, 636098), (871, 446218), (1222, 318049), (1313, 296006), (1742, 223109), (2209, 175942), (2626, 148003), (3149, 123422), (4418, 87971), (4747, 81874), (6298, 61711), (6767, 57434), (9494, 40937), (13534, 28717)]