164621947

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1249}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 198400000

約数和(自身を除く): 33778053

約数列:

[1, 7, 19, 133, 991, 1249, 6937, 8743, 18829, 23731, 131803, 166117, 1237759, 8664313, 23517421, 164621947]

約数ペア:

[(1, 164621947), (7, 23517421), (19, 8664313), (133, 1237759), (991, 166117), (1249, 131803), (6937, 23731), (8743, 18829)]