389627912

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{19427}}^1$

素因数の和:19565

約数の個数: 32

約数和(自身を含む): 769348800

約数和(自身を除く): 379720888

約数列:

[1, 2, 4, 8, 23, 46, 92, 109, 184, 218, 436, 872, 2507, 5014, 10028, 19427, 20056, 38854, 77708, 155416, 446821, 893642, 1787284, 2117543, 3574568, 4235086, 8470172, 16940344, 48703489, 97406978, 194813956, 389627912]

約数ペア:

[(1, 389627912), (2, 194813956), (4, 97406978), (8, 48703489), (23, 16940344), (46, 8470172), (92, 4235086), (109, 3574568), (184, 2117543), (218, 1787284), (436, 893642), (872, 446821), (2507, 155416), (5014, 77708), (10028, 38854), (19427, 20056)]