161874167

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 211115520

約数和(自身を除く): 49241353

約数列:

[1, 7, 13, 19, 91, 133, 247, 251, 373, 1729, 1757, 2611, 3263, 4769, 4849, 7087, 22841, 33383, 33943, 49609, 61997, 92131, 93623, 433979, 644917, 655361, 1217099, 1778837, 8519693, 12451859, 23124881, 161874167]

約数ペア:

[(1, 161874167), (7, 23124881), (13, 12451859), (19, 8519693), (91, 1778837), (133, 1217099), (247, 655361), (251, 644917), (373, 433979), (1729, 93623), (1757, 92131), (2611, 61997), (3263, 49609), (4769, 33943), (4849, 33383), (7087, 22841)]