219106810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{9973}}^1$

素因数の和:10019

約数の個数: 32

約数和(自身を含む): 427286160

約数和(自身を除く): 208179350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 9973, 10985, 19946, 21970, 49865, 99730, 129649, 259298, 648245, 1296490, 1685437, 3370874, 8427185, 16854370, 21910681, 43821362, 109553405, 219106810]

約数ペア:

[(1, 219106810), (2, 109553405), (5, 43821362), (10, 21910681), (13, 16854370), (26, 8427185), (65, 3370874), (130, 1685437), (169, 1296490), (338, 648245), (845, 259298), (1690, 129649), (2197, 99730), (4394, 49865), (9973, 21970), (10985, 19946)]