1988454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 4506192

約数和(自身を除く): 2517738

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 53, 74, 78, 106, 111, 159, 169, 222, 318, 338, 481, 507, 689, 962, 1014, 1378, 1443, 1961, 2067, 2886, 3922, 4134, 5883, 6253, 8957, 11766, 12506, 17914, 18759, 25493, 26871, 37518, 50986, 53742, 76479, 152958, 331409, 662818, 994227, 1988454]

約数ペア:

[(1, 1988454), (2, 994227), (3, 662818), (6, 331409), (13, 152958), (26, 76479), (37, 53742), (39, 50986), (53, 37518), (74, 26871), (78, 25493), (106, 18759), (111, 17914), (159, 12506), (169, 11766), (222, 8957), (318, 6253), (338, 5883), (481, 4134), (507, 3922), (689, 2886), (962, 2067), (1014, 1961), (1378, 1443)]