289301348

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1\times {\mathrm{509}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 592220160

約数和(自身を除く): 302918812

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 383, 509, 742, 766, 1018, 1484, 1532, 2036, 2681, 3563, 5362, 7126, 10724, 14252, 20299, 26977, 40598, 53954, 81196, 107908, 142093, 188839, 194947, 284186, 377678, 389894, 568372, 755356, 779788, 1364629, 2729258, 5458516, 10332191, 20664382, 41328764, 72325337, 144650674, 289301348]

約数ペア:

[(1, 289301348), (2, 144650674), (4, 72325337), (7, 41328764), (14, 20664382), (28, 10332191), (53, 5458516), (106, 2729258), (212, 1364629), (371, 779788), (383, 755356), (509, 568372), (742, 389894), (766, 377678), (1018, 284186), (1484, 194947), (1532, 188839), (2036, 142093), (2681, 107908), (3563, 81196), (5362, 53954), (7126, 40598), (10724, 26977), (14252, 20299)]