145168709

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 175190400

約数和(自身を除く): 30021691

約数列:

[1, 7, 23, 161, 197, 199, 529, 1379, 1393, 3703, 4531, 4577, 31717, 32039, 39203, 104213, 105271, 274421, 729491, 736897, 901669, 6311683, 20738387, 145168709]

約数ペア:

[(1, 145168709), (7, 20738387), (23, 6311683), (161, 901669), (197, 736897), (199, 729491), (529, 274421), (1379, 105271), (1393, 104213), (3703, 39203), (4531, 32039), (4577, 31717)]