201971441

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 257748480

約数和(自身を除く): 55777039

約数列:

[1, 7, 17, 23, 109, 119, 161, 391, 677, 763, 1853, 2507, 2737, 4739, 11509, 12971, 15571, 17549, 42619, 73793, 80563, 108997, 264707, 298333, 516551, 1254481, 1697239, 1852949, 8781367, 11880673, 28853063, 201971441]

約数ペア:

[(1, 201971441), (7, 28853063), (17, 11880673), (23, 8781367), (109, 1852949), (119, 1697239), (161, 1254481), (391, 516551), (677, 298333), (763, 264707), (1853, 108997), (2507, 80563), (2737, 73793), (4739, 42619), (11509, 17549), (12971, 15571)]