208485843

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 298460160

約数和(自身を除く): 89974317

約数列:

[1, 3, 29, 47, 67, 87, 141, 201, 761, 1363, 1943, 2283, 3149, 4089, 5829, 9447, 22069, 35767, 50987, 66207, 91321, 107301, 152961, 273963, 1037243, 1478623, 2396389, 3111729, 4435869, 7189167, 69495281, 208485843]

約数ペア:

[(1, 208485843), (3, 69495281), (29, 7189167), (47, 4435869), (67, 3111729), (87, 2396389), (141, 1478623), (201, 1037243), (761, 273963), (1363, 152961), (1943, 107301), (2283, 91321), (3149, 66207), (4089, 50987), (5829, 35767), (9447, 22069)]