388727248

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{266983}}^1$

素因数の和:267011

約数の個数: 40

約数和(自身を含む): 926968448

約数和(自身を除く): 538241200

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 266983, 533966, 1067932, 1868881, 2135864, 3470779, 3737762, 4271728, 6941558, 7475524, 13883116, 14951048, 24295453, 27766232, 29902096, 48590906, 55532464, 97181812, 194363624, 388727248]

約数ペア:

[(1, 388727248), (2, 194363624), (4, 97181812), (7, 55532464), (8, 48590906), (13, 29902096), (14, 27766232), (16, 24295453), (26, 14951048), (28, 13883116), (52, 7475524), (56, 6941558), (91, 4271728), (104, 3737762), (112, 3470779), (182, 2135864), (208, 1868881), (364, 1067932), (728, 533966), (1456, 266983)]