40145189

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 48072960

約数和(自身を除く): 7927771

約数列:

[1, 7, 23, 161, 389, 641, 2723, 4487, 8947, 14743, 62629, 103201, 249349, 1745443, 5735027, 40145189]

約数ペア:

[(1, 40145189), (7, 5735027), (23, 1745443), (161, 249349), (389, 103201), (641, 62629), (2723, 14743), (4487, 8947)]