89969425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 139491072

約数和(自身を除く): 49521647

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 175, 325, 355, 455, 497, 557, 923, 1775, 2275, 2485, 2785, 3899, 4615, 6461, 7241, 12425, 13925, 19495, 23075, 32305, 36205, 39547, 50687, 97475, 161525, 181025, 197735, 253435, 276829, 514111, 988675, 1267175, 1384145, 2570555, 3598777, 6920725, 12852775, 17993885, 89969425]

約数ペア:

[(1, 89969425), (5, 17993885), (7, 12852775), (13, 6920725), (25, 3598777), (35, 2570555), (65, 1384145), (71, 1267175), (91, 988675), (175, 514111), (325, 276829), (355, 253435), (455, 197735), (497, 181025), (557, 161525), (923, 97475), (1775, 50687), (2275, 39547), (2485, 36205), (2785, 32305), (3899, 23075), (4615, 19495), (6461, 13925), (7241, 12425)]