28976675

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 45330432

約数和(自身を除く): 16353757

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 175, 235, 271, 325, 329, 455, 611, 1175, 1355, 1645, 1897, 2275, 3055, 3523, 4277, 6775, 8225, 9485, 12737, 15275, 17615, 21385, 24661, 47425, 63685, 88075, 89159, 106925, 123305, 165581, 318425, 445795, 616525, 827905, 1159067, 2228975, 4139525, 5795335, 28976675]

約数ペア:

[(1, 28976675), (5, 5795335), (7, 4139525), (13, 2228975), (25, 1159067), (35, 827905), (47, 616525), (65, 445795), (91, 318425), (175, 165581), (235, 123305), (271, 106925), (325, 89159), (329, 88075), (455, 63685), (611, 47425), (1175, 24661), (1355, 21385), (1645, 17615), (1897, 15275), (2275, 12737), (3055, 9485), (3523, 8225), (4277, 6775)]