71564428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{9901}}^1$

素因数の和:10057

約数の個数: 24

約数和(自身を含む): 135855440

約数和(自身を除く): 64291012

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 9901, 19802, 39604, 128713, 257426, 514852, 1376239, 2752478, 5504956, 17891107, 35782214, 71564428]

約数ペア:

[(1, 71564428), (2, 35782214), (4, 17891107), (13, 5504956), (26, 2752478), (52, 1376239), (139, 514852), (278, 257426), (556, 128713), (1807, 39604), (3614, 19802), (7228, 9901)]