13204975

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 19035488

約数和(自身を除く): 5830513

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1237, 1525, 2135, 6185, 8659, 10675, 30925, 43295, 75457, 216475, 377285, 528199, 1886425, 2640995, 13204975]

約数ペア:

[(1, 13204975), (5, 2640995), (7, 1886425), (25, 528199), (35, 377285), (61, 216475), (175, 75457), (305, 43295), (427, 30925), (1237, 10675), (1525, 8659), (2135, 6185)]