490703402

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{66509}}^1$

素因数の和:66566

約数の個数: 32

約数和(自身を含む): 919434240

約数和(自身を除く): 428730838

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 3689, 7378, 66509, 133018, 465563, 931126, 1130653, 2061779, 2261306, 4123558, 7914571, 14432453, 15829142, 28864906, 35050243, 70100486, 245351701, 490703402]

約数ペア:

[(1, 490703402), (2, 245351701), (7, 70100486), (14, 35050243), (17, 28864906), (31, 15829142), (34, 14432453), (62, 7914571), (119, 4123558), (217, 2261306), (238, 2061779), (434, 1130653), (527, 931126), (1054, 465563), (3689, 133018), (7378, 66509)]