1220221438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{500501}}^1$

素因数の和:500579

約数の個数: 16

約数和(自身を含む): 1945951776

約数和(自身を除く): 725730338

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 500501, 1001002, 11511523, 23023046, 26526553, 53053106, 610110719, 1220221438]

約数ペア:

[(1, 1220221438), (2, 610110719), (23, 53053106), (46, 26526553), (53, 23023046), (106, 11511523), (1219, 1001002), (2438, 500501)]