83409025

素因数分解:

$5^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 123206400

約数和(自身を除く): 39797375

約数列:

[1, 5, 7, 25, 35, 49, 71, 137, 175, 245, 343, 355, 497, 685, 959, 1225, 1715, 1775, 2485, 3425, 3479, 4795, 6713, 8575, 9727, 12425, 17395, 23975, 24353, 33565, 46991, 48635, 68089, 86975, 121765, 167825, 234955, 243175, 340445, 476623, 608825, 1174775, 1702225, 2383115, 3336361, 11915575, 16681805, 83409025]

約数ペア:

[(1, 83409025), (5, 16681805), (7, 11915575), (25, 3336361), (35, 2383115), (49, 1702225), (71, 1174775), (137, 608825), (175, 476623), (245, 340445), (343, 243175), (355, 234955), (497, 167825), (685, 121765), (959, 86975), (1225, 68089), (1715, 48635), (1775, 46991), (2485, 33565), (3425, 24353), (3479, 23975), (4795, 17395), (6713, 12425), (8575, 9727)]