28762825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 16234295

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 175, 235, 269, 325, 329, 455, 611, 1175, 1345, 1645, 1883, 2275, 3055, 3497, 4277, 6725, 8225, 9415, 12643, 15275, 17485, 21385, 24479, 47075, 63215, 87425, 88501, 106925, 122395, 164359, 316075, 442505, 611975, 821795, 1150513, 2212525, 4108975, 5752565, 28762825]

約数ペア:

[(1, 28762825), (5, 5752565), (7, 4108975), (13, 2212525), (25, 1150513), (35, 821795), (47, 611975), (65, 442505), (91, 316075), (175, 164359), (235, 122395), (269, 106925), (325, 88501), (329, 87425), (455, 63215), (611, 47075), (1175, 24479), (1345, 21385), (1645, 17485), (1883, 15275), (2275, 12643), (3055, 9415), (3497, 8225), (4277, 6725)]