40905109

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{8761}}^1$

素因数の和:8820

約数の個数: 16

約数和(自身を含む): 50469120

約数和(自身を除く): 9564011

約数列:

[1, 7, 23, 29, 161, 203, 667, 4669, 8761, 61327, 201503, 254069, 1410521, 1778483, 5843587, 40905109]

約数ペア:

[(1, 40905109), (7, 5843587), (23, 1778483), (29, 1410521), (161, 254069), (203, 201503), (667, 61327), (4669, 8761)]