72868144

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{105913}}^1$

素因数の和:105964

約数の個数: 20

約数和(自身を含む): 144466696

約数和(自身を除く): 71598552

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 105913, 211826, 423652, 847304, 1694608, 4554259, 9108518, 18217036, 36434072, 72868144]

約数ペア:

[(1, 72868144), (2, 36434072), (4, 18217036), (8, 9108518), (16, 4554259), (43, 1694608), (86, 847304), (172, 423652), (344, 211826), (688, 105913)]