201561458

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{142547}}^1$

素因数の和:142657

約数の個数: 16

約数和(自身を含む): 348957504

約数和(自身を除く): 147396046

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 142547, 285094, 997829, 1995658, 14397247, 28794494, 100780729, 201561458]

約数ペア:

[(1, 201561458), (2, 100780729), (7, 28794494), (14, 14397247), (101, 1995658), (202, 997829), (707, 285094), (1414, 142547)]