289706588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 548352000

約数和(自身を除く): 258645412

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 199, 271, 316, 398, 542, 796, 1084, 1343, 2686, 3383, 4607, 5372, 6766, 9214, 13532, 15721, 18428, 21409, 31442, 42818, 53929, 62884, 85636, 107858, 215716, 267257, 363953, 534514, 727906, 916793, 1069028, 1455812, 1833586, 3667172, 4260391, 8520782, 17041564, 72426647, 144853294, 289706588]

約数ペア:

[(1, 289706588), (2, 144853294), (4, 72426647), (17, 17041564), (34, 8520782), (68, 4260391), (79, 3667172), (158, 1833586), (199, 1455812), (271, 1069028), (316, 916793), (398, 727906), (542, 534514), (796, 363953), (1084, 267257), (1343, 215716), (2686, 107858), (3383, 85636), (4607, 62884), (5372, 53929), (6766, 42818), (9214, 31442), (13532, 21409), (15721, 18428)]