488918690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1\times {\mathrm{659}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 956577600

約数和(自身を除く): 467658910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 439, 659, 845, 878, 1318, 1690, 2195, 3295, 4390, 5707, 6590, 8567, 11414, 17134, 28535, 42835, 57070, 74191, 85670, 111371, 148382, 222742, 289301, 370955, 556855, 578602, 741910, 1113710, 1446505, 2893010, 3760913, 7521826, 18804565, 37609130, 48891869, 97783738, 244459345, 488918690]

約数ペア:

[(1, 488918690), (2, 244459345), (5, 97783738), (10, 48891869), (13, 37609130), (26, 18804565), (65, 7521826), (130, 3760913), (169, 2893010), (338, 1446505), (439, 1113710), (659, 741910), (845, 578602), (878, 556855), (1318, 370955), (1690, 289301), (2195, 222742), (3295, 148382), (4390, 111371), (5707, 85670), (6590, 74191), (8567, 57070), (11414, 42835), (17134, 28535)]