128584745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{10501}}^1$

素因数の和:10616

約数の個数: 16

約数和(自身を含む): 161310720

約数和(自身を除く): 32725975

約数列:

[1, 5, 31, 79, 155, 395, 2449, 10501, 12245, 52505, 325531, 829579, 1627655, 4147895, 25716949, 128584745]

約数ペア:

[(1, 128584745), (5, 25716949), (31, 4147895), (79, 1627655), (155, 829579), (395, 325531), (2449, 52505), (10501, 12245)]