163959985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{11981}}^1$

素因数の和:12033

約数の個数: 32

約数和(自身を含む): 248458752

約数和(自身を除く): 84498767

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 11981, 13685, 59905, 83867, 203677, 275563, 419335, 1018385, 1377815, 1425739, 1928941, 4684571, 7128695, 9644705, 23422855, 32791997, 163959985]

約数ペア:

[(1, 163959985), (5, 32791997), (7, 23422855), (17, 9644705), (23, 7128695), (35, 4684571), (85, 1928941), (115, 1425739), (119, 1377815), (161, 1018385), (391, 419335), (595, 275563), (805, 203677), (1955, 83867), (2737, 59905), (11981, 13685)]