13579475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 21331968

約数和(自身を除く): 7752493

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 127, 175, 235, 325, 329, 455, 611, 635, 889, 1175, 1645, 1651, 2275, 3055, 3175, 4277, 4445, 5969, 8225, 8255, 11557, 15275, 21385, 22225, 29845, 41275, 41783, 57785, 77597, 106925, 149225, 208915, 288925, 387985, 543179, 1044575, 1939925, 2715895, 13579475]

約数ペア:

[(1, 13579475), (5, 2715895), (7, 1939925), (13, 1044575), (25, 543179), (35, 387985), (47, 288925), (65, 208915), (91, 149225), (127, 106925), (175, 77597), (235, 57785), (325, 41783), (329, 41275), (455, 29845), (611, 22225), (635, 21385), (889, 15275), (1175, 11557), (1645, 8255), (1651, 8225), (2275, 5969), (3055, 4445), (3175, 4277)]