278824

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 645120

約数和(自身を除く): 366296

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 383, 728, 766, 1532, 2681, 3064, 4979, 5362, 9958, 10724, 19916, 21448, 34853, 39832, 69706, 139412, 278824]

約数ペア:

[(1, 278824), (2, 139412), (4, 69706), (7, 39832), (8, 34853), (13, 21448), (14, 19916), (26, 10724), (28, 9958), (52, 5362), (56, 4979), (91, 3064), (104, 2681), (182, 1532), (364, 766), (383, 728)]