257012664

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1\times {\mathrm{953}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 682071840

約数和(自身を除く): 425059176

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 661, 953, 1322, 1906, 1983, 2644, 2859, 3812, 3966, 5288, 5718, 7624, 7932, 11237, 11436, 15864, 16201, 22474, 22872, 32402, 33711, 44948, 48603, 64804, 67422, 89896, 97206, 129608, 134844, 194412, 269688, 388824, 629933, 1259866, 1889799, 2519732, 3779598, 5039464, 7559196, 10708861, 15118392, 21417722, 32126583, 42835444, 64253166, 85670888, 128506332, 257012664]

約数ペア:

[(1, 257012664), (2, 128506332), (3, 85670888), (4, 64253166), (6, 42835444), (8, 32126583), (12, 21417722), (17, 15118392), (24, 10708861), (34, 7559196), (51, 5039464), (68, 3779598), (102, 2519732), (136, 1889799), (204, 1259866), (408, 629933), (661, 388824), (953, 269688), (1322, 194412), (1906, 134844), (1983, 129608), (2644, 97206), (2859, 89896), (3812, 67422), (3966, 64804), (5288, 48603), (5718, 44948), (7624, 33711), (7932, 32402), (11237, 22872), (11436, 22474), (15864, 16201)]