221405188

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{1031}}^1\times {\mathrm{1451}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 398591424

約数和(自身を除く): 177186236

約数列:

[1, 2, 4, 37, 74, 148, 1031, 1451, 2062, 2902, 4124, 5804, 38147, 53687, 76294, 107374, 152588, 214748, 1495981, 2991962, 5983924, 55351297, 110702594, 221405188]

約数ペア:

[(1, 221405188), (2, 110702594), (4, 55351297), (37, 5983924), (74, 2991962), (148, 1495981), (1031, 214748), (1451, 152588), (2062, 107374), (2902, 76294), (4124, 53687), (5804, 38147)]