138977293

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{2887}}^1$

素因数の和:2953

約数の個数: 24

約数和(自身を含む): 178871168

約数和(自身を除く): 39893875

約数列:

[1, 7, 13, 23, 91, 161, 299, 529, 2093, 2887, 3703, 6877, 20209, 37531, 48139, 66401, 262717, 464807, 863213, 1527223, 6042491, 10690561, 19853899, 138977293]

約数ペア:

[(1, 138977293), (7, 19853899), (13, 10690561), (23, 6042491), (91, 1527223), (161, 863213), (299, 464807), (529, 262717), (2093, 66401), (2887, 48139), (3703, 37531), (6877, 20209)]