159970415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{7477}}^1$

素因数の和:7882

約数の個数: 16

約数和(自身を含む): 209982240

約数和(自身を除く): 50011825

約数列:

[1, 5, 11, 55, 389, 1945, 4279, 7477, 21395, 37385, 82247, 411235, 2908553, 14542765, 31994083, 159970415]

約数ペア:

[(1, 159970415), (5, 31994083), (11, 14542765), (55, 2908553), (389, 411235), (1945, 82247), (4279, 37385), (7477, 21395)]