89880388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{19421}}^1$

素因数の和:19527

約数の個数: 24

約数和(自身を含む): 171302040

約数和(自身を除く): 81421652

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 19421, 38842, 77684, 252473, 504946, 1009892, 1728469, 3456938, 6913876, 22470097, 44940194, 89880388]

約数ペア:

[(1, 89880388), (2, 44940194), (4, 22470097), (13, 6913876), (26, 3456938), (52, 1728469), (89, 1009892), (178, 504946), (356, 252473), (1157, 77684), (2314, 38842), (4628, 19421)]