161552908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{333787}}^1$

素因数の和:333813

約数の個数: 18

約数和(自身を含む): 310756628

約数和(自身を除く): 149203720

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 333787, 667574, 1335148, 3671657, 7343314, 14686628, 40388227, 80776454, 161552908]

約数ペア:

[(1, 161552908), (2, 80776454), (4, 40388227), (11, 14686628), (22, 7343314), (44, 3671657), (121, 1335148), (242, 667574), (484, 333787)]