1900142002178

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{688956491}}^1$

素因数の和:688956697

約数の個数: 16

約数和(自身を含む): 3273921249984

約数和(自身を除く): 1373779247806

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 688956491, 1377912982, 4822695437, 9645390874, 135724428727, 271448857454, 950071001089, 1900142002178]

約数ペア:

[(1, 1900142002178), (2, 950071001089), (7, 271448857454), (14, 135724428727), (197, 9645390874), (394, 4822695437), (1379, 1377912982), (2758, 688956491)]