128368705

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{4729}}^1$

素因数の和:4884

約数の個数: 16

約数和(自身を含む): 158360400

約数和(自身を除く): 29991695

約数列:

[1, 5, 61, 89, 305, 445, 4729, 5429, 23645, 27145, 288469, 420881, 1442345, 2104405, 25673741, 128368705]

約数ペア:

[(1, 128368705), (5, 25673741), (61, 2104405), (89, 1442345), (305, 420881), (445, 288469), (4729, 27145), (5429, 23645)]