221821865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{7229}}^1$

素因数の和:7289

約数の個数: 24

約数和(自身を含む): 297500040

約数和(自身を除く): 75678175

約数列:

[1, 5, 17, 19, 85, 95, 323, 361, 1615, 1805, 6137, 7229, 30685, 36145, 122893, 137351, 614465, 686755, 2334967, 2609669, 11674835, 13048345, 44364373, 221821865]

約数ペア:

[(1, 221821865), (5, 44364373), (17, 13048345), (19, 11674835), (85, 2609669), (95, 2334967), (323, 686755), (361, 614465), (1615, 137351), (1805, 122893), (6137, 36145), (7229, 30685)]