661617812

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{12473}}^1$

素因数の和:12715

約数の個数: 24

約数和(自身を含む): 1178793000

約数和(自身を除く): 517175188

約数列:

[1, 2, 4, 89, 149, 178, 298, 356, 596, 12473, 13261, 24946, 26522, 49892, 53044, 1110097, 1858477, 2220194, 3716954, 4440388, 7433908, 165404453, 330808906, 661617812]

約数ペア:

[(1, 661617812), (2, 330808906), (4, 165404453), (89, 7433908), (149, 4440388), (178, 3716954), (298, 2220194), (356, 1858477), (596, 1110097), (12473, 53044), (13261, 49892), (24946, 26522)]