5215805

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 7421400

約数和(自身を除く): 2205595

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 349, 427, 1745, 2135, 2443, 2989, 12215, 14945, 17101, 21289, 85505, 106445, 149023, 745115, 1043161, 5215805]

約数ペア:

[(1, 5215805), (5, 1043161), (7, 745115), (35, 149023), (49, 106445), (61, 85505), (245, 21289), (305, 17101), (349, 14945), (427, 12215), (1745, 2989), (2135, 2443)]