64437538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{40123}}^1$

素因数の和:40209

約数の個数: 16

約数和(自身を含む): 106890336

約数和(自身を除く): 42452798

約数列:

[1, 2, 11, 22, 73, 146, 803, 1606, 40123, 80246, 441353, 882706, 2928979, 5857958, 32218769, 64437538]

約数ペア:

[(1, 64437538), (2, 32218769), (11, 5857958), (22, 2928979), (73, 882706), (146, 441353), (803, 80246), (1606, 40123)]