203411404

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 413876736

約数和(自身を除く): 210465332

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 251, 281, 412, 502, 562, 721, 1004, 1124, 1442, 1757, 1967, 2884, 3514, 3934, 7028, 7868, 25853, 28943, 51706, 57886, 70531, 103412, 115772, 141062, 180971, 202601, 282124, 361942, 405202, 493717, 723884, 810404, 987434, 1974868, 7264693, 14529386, 29058772, 50852851, 101705702, 203411404]

約数ペア:

[(1, 203411404), (2, 101705702), (4, 50852851), (7, 29058772), (14, 14529386), (28, 7264693), (103, 1974868), (206, 987434), (251, 810404), (281, 723884), (412, 493717), (502, 405202), (562, 361942), (721, 282124), (1004, 202601), (1124, 180971), (1442, 141062), (1757, 115772), (1967, 103412), (2884, 70531), (3514, 57886), (3934, 51706), (7028, 28943), (7868, 25853)]