640341506

素因数分解:

$2^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{43853}}^1$

素因数の和:44018

約数の個数: 24

約数和(自身を含む): 1124855100

約数和(自身を除く): 484513594

約数列:

[1, 2, 7, 14, 49, 98, 149, 298, 1043, 2086, 7301, 14602, 43853, 87706, 306971, 613942, 2148797, 4297594, 6534097, 13068194, 45738679, 91477358, 320170753, 640341506]

約数ペア:

[(1, 640341506), (2, 320170753), (7, 91477358), (14, 45738679), (49, 13068194), (98, 6534097), (149, 4297594), (298, 2148797), (1043, 613942), (2086, 306971), (7301, 87706), (14602, 43853)]