145720016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{700577}}^1$

素因数の和:700598

約数の個数: 20

約数和(自身を含む): 304050852

約数和(自身を除く): 158330836

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 700577, 1401154, 2802308, 5604616, 9107501, 11209232, 18215002, 36430004, 72860008, 145720016]

約数ペア:

[(1, 145720016), (2, 72860008), (4, 36430004), (8, 18215002), (13, 11209232), (16, 9107501), (26, 5604616), (52, 2802308), (104, 1401154), (208, 700577)]