25421648

素因数分解:

$2^4\times 7^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1$

素因数の和:1011

約数の個数: 40

約数和(自身を含む): 56538048

約数和(自身を除く): 31116400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 353, 643, 706, 1286, 1412, 2471, 2572, 2824, 4501, 4942, 5144, 5648, 9002, 9884, 10288, 18004, 19768, 36008, 39536, 72016, 226979, 453958, 907916, 1588853, 1815832, 3177706, 3631664, 6355412, 12710824, 25421648]

約数ペア:

[(1, 25421648), (2, 12710824), (4, 6355412), (7, 3631664), (8, 3177706), (14, 1815832), (16, 1588853), (28, 907916), (56, 453958), (112, 226979), (353, 72016), (643, 39536), (706, 36008), (1286, 19768), (1412, 18004), (2471, 10288), (2572, 9884), (2824, 9002), (4501, 5648), (4942, 5144)]