161512904

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{13669}}^1$

素因数の和:13893

約数の個数: 32

約数和(自身を含む): 347764800

約数和(自身を除く): 186251896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 2954, 5908, 11816, 13669, 27338, 54676, 95683, 109352, 191366, 382732, 765464, 2884159, 5768318, 11536636, 20189113, 23073272, 40378226, 80756452, 161512904]

約数ペア:

[(1, 161512904), (2, 80756452), (4, 40378226), (7, 23073272), (8, 20189113), (14, 11536636), (28, 5768318), (56, 2884159), (211, 765464), (422, 382732), (844, 191366), (1477, 109352), (1688, 95683), (2954, 54676), (5908, 27338), (11816, 13669)]