256580948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{55441}}^1$

素因数の和:55547

約数の個数: 24

約数和(自身を含む): 488998440

約数和(自身を除く): 232417492

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 55441, 110882, 221764, 720733, 1441466, 2882932, 4934249, 9868498, 19736996, 64145237, 128290474, 256580948]

約数ペア:

[(1, 256580948), (2, 128290474), (4, 64145237), (13, 19736996), (26, 9868498), (52, 4934249), (89, 2882932), (178, 1441466), (356, 720733), (1157, 221764), (2314, 110882), (4628, 55441)]