12381425

素因数分解:

$5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 17707200

約数和(自身を除く): 5325775

約数列:

[1, 5, 7, 25, 35, 139, 175, 509, 695, 973, 2545, 3475, 3563, 4865, 12725, 17815, 24325, 70751, 89075, 353755, 495257, 1768775, 2476285, 12381425]

約数ペア:

[(1, 12381425), (5, 2476285), (7, 1768775), (25, 495257), (35, 353755), (139, 89075), (175, 70751), (509, 24325), (695, 17815), (973, 12725), (2545, 4865), (3475, 3563)]