213529225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 332978688

約数和(自身を除く): 119449463

約数列:

[1, 5, 7, 13, 25, 35, 47, 65, 91, 175, 235, 325, 329, 455, 611, 1175, 1645, 1997, 2275, 3055, 4277, 8225, 9985, 13979, 15275, 21385, 25961, 49925, 69895, 93859, 106925, 129805, 181727, 349475, 469295, 649025, 657013, 908635, 1220167, 2346475, 3285065, 4543175, 6100835, 8541169, 16425325, 30504175, 42705845, 213529225]

約数ペア:

[(1, 213529225), (5, 42705845), (7, 30504175), (13, 16425325), (25, 8541169), (35, 6100835), (47, 4543175), (65, 3285065), (91, 2346475), (175, 1220167), (235, 908635), (325, 657013), (329, 649025), (455, 469295), (611, 349475), (1175, 181727), (1645, 129805), (1997, 106925), (2275, 93859), (3055, 69895), (4277, 49925), (8225, 25961), (9985, 21385), (13979, 15275)]