31820345

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 43511724

約数和(自身を除く): 11691379

約数列:

[1, 5, 17, 19, 61, 85, 95, 289, 305, 323, 361, 1037, 1159, 1445, 1615, 1805, 5185, 5491, 5795, 6137, 17629, 19703, 22021, 27455, 30685, 88145, 98515, 104329, 110105, 334951, 374357, 521645, 1674755, 1871785, 6364069, 31820345]

約数ペア:

[(1, 31820345), (5, 6364069), (17, 1871785), (19, 1674755), (61, 521645), (85, 374357), (95, 334951), (289, 110105), (305, 104329), (323, 98515), (361, 88145), (1037, 30685), (1159, 27455), (1445, 22021), (1615, 19703), (1805, 17629), (5185, 6137), (5491, 5795)]