278340383998

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{140718091}}^1$

素因数の和:140718159

約数の個数: 16

約数和(自身を含む): 445794915456

約数和(自身を除く): 167454531458

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 140718091, 281436182, 3236516093, 6050877913, 6473032186, 12101755826, 139170191999, 278340383998]

約数ペア:

[(1, 278340383998), (2, 139170191999), (23, 12101755826), (43, 6473032186), (46, 6050877913), (86, 3236516093), (989, 281436182), (1978, 140718091)]