161990332

素因数分解:

$2^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{20443}}^1$

素因数の和:20737

約数の個数: 24

約数和(自身を含む): 325141376

約数和(自身を除く): 163151044

約数列:

[1, 2, 4, 7, 14, 28, 283, 566, 1132, 1981, 3962, 7924, 20443, 40886, 81772, 143101, 286202, 572404, 5785369, 11570738, 23141476, 40497583, 80995166, 161990332]

約数ペア:

[(1, 161990332), (2, 80995166), (4, 40497583), (7, 23141476), (14, 11570738), (28, 5785369), (283, 572404), (566, 286202), (1132, 143101), (1981, 81772), (3962, 40886), (7924, 20443)]