215323264

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{129401}}^1$

素因数の和:129428

約数の個数: 32

約数和(自身を含む): 461965140

約数和(自身を除く): 246641876

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 129401, 258802, 517604, 1035208, 1682213, 2070416, 3364426, 4140832, 6728852, 8281664, 13457704, 16563328, 26915408, 53830816, 107661632, 215323264]

約数ペア:

[(1, 215323264), (2, 107661632), (4, 53830816), (8, 26915408), (13, 16563328), (16, 13457704), (26, 8281664), (32, 6728852), (52, 4140832), (64, 3364426), (104, 2070416), (128, 1682213), (208, 1035208), (416, 517604), (832, 258802), (1664, 129401)]