208817728

素因数分解:

$2^6\times 7^1\times {\mathrm{383}}^1\times {\mathrm{1217}}^1$

素因数の和:1619

約数の個数: 56

約数和(自身を含む): 475195392

約数和(自身を除く): 266377664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 383, 448, 766, 1217, 1532, 2434, 2681, 3064, 4868, 5362, 6128, 8519, 9736, 10724, 12256, 17038, 19472, 21448, 24512, 34076, 38944, 42896, 68152, 77888, 85792, 136304, 171584, 272608, 466111, 545216, 932222, 1864444, 3262777, 3728888, 6525554, 7457776, 13051108, 14915552, 26102216, 29831104, 52204432, 104408864, 208817728]

約数ペア:

[(1, 208817728), (2, 104408864), (4, 52204432), (7, 29831104), (8, 26102216), (14, 14915552), (16, 13051108), (28, 7457776), (32, 6525554), (56, 3728888), (64, 3262777), (112, 1864444), (224, 932222), (383, 545216), (448, 466111), (766, 272608), (1217, 171584), (1532, 136304), (2434, 85792), (2681, 77888), (3064, 68152), (4868, 42896), (5362, 38944), (6128, 34076), (8519, 24512), (9736, 21448), (10724, 19472), (12256, 17038)]