78391408

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:4009

約数の個数: 40

約数和(自身を含む): 160815600

約数和(自身を除く): 82424192

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 2494, 3929, 4988, 7858, 9976, 15716, 19952, 31432, 62864, 113941, 168947, 227882, 337894, 455764, 675788, 911528, 1351576, 1823056, 2703152, 4899463, 9798926, 19597852, 39195704, 78391408]

約数ペア:

[(1, 78391408), (2, 39195704), (4, 19597852), (8, 9798926), (16, 4899463), (29, 2703152), (43, 1823056), (58, 1351576), (86, 911528), (116, 675788), (172, 455764), (232, 337894), (344, 227882), (464, 168947), (688, 113941), (1247, 62864), (2494, 31432), (3929, 19952), (4988, 15716), (7858, 9976)]