220819865

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 311122944

約数和(自身を除く): 90303079

約数列:

[1, 5, 7, 35, 47, 235, 241, 329, 557, 1205, 1645, 1687, 2785, 3899, 8435, 11327, 19495, 26179, 56635, 79289, 130895, 134237, 183253, 396445, 671185, 916265, 939659, 4698295, 6309139, 31545695, 44163973, 220819865]

約数ペア:

[(1, 220819865), (5, 44163973), (7, 31545695), (35, 6309139), (47, 4698295), (235, 939659), (241, 916265), (329, 671185), (557, 396445), (1205, 183253), (1645, 134237), (1687, 130895), (2785, 79289), (3899, 56635), (8435, 26179), (11327, 19495)]