199948315

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 288230400

約数和(自身を除く): 88282085

約数列:

[1, 5, 7, 23, 35, 115, 149, 161, 745, 805, 1043, 1667, 3427, 5215, 8335, 11669, 17135, 23989, 38341, 58345, 119945, 191705, 248383, 268387, 1241915, 1341935, 1738681, 5712809, 8693405, 28564045, 39989663, 199948315]

約数ペア:

[(1, 199948315), (5, 39989663), (7, 28564045), (23, 8693405), (35, 5712809), (115, 1738681), (149, 1341935), (161, 1241915), (745, 268387), (805, 248383), (1043, 191705), (1667, 119945), (3427, 58345), (5215, 38341), (8335, 23989), (11669, 17135)]