161581644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{641197}}^1$

素因数の和:641214

約数の個数: 36

約数和(自身を含む): 466792144

約数和(自身を除く): 305210500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 641197, 1282394, 1923591, 2564788, 3847182, 4488379, 5770773, 7694364, 8976758, 11541546, 13465137, 17953516, 23083092, 26930274, 40395411, 53860548, 80790822, 161581644]

約数ペア:

[(1, 161581644), (2, 80790822), (3, 53860548), (4, 40395411), (6, 26930274), (7, 23083092), (9, 17953516), (12, 13465137), (14, 11541546), (18, 8976758), (21, 7694364), (28, 5770773), (36, 4488379), (42, 3847182), (63, 2564788), (84, 1923591), (126, 1282394), (252, 641197)]