219517714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{53777}}^1$

素因数の和:53949

約数の個数: 16

約数和(自身を含む): 356870808

約数和(自身を除く): 137353094

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 53777, 107554, 699101, 1398202, 8442989, 16885978, 109758857, 219517714]

約数ペア:

[(1, 219517714), (2, 109758857), (13, 16885978), (26, 8442989), (157, 1398202), (314, 699101), (2041, 107554), (4082, 53777)]