158278318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{743}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 271268352

約数和(自身を除く): 112990034

約数列:

[1, 2, 11, 22, 23, 46, 253, 421, 506, 743, 842, 1486, 4631, 8173, 9262, 9683, 16346, 17089, 19366, 34178, 106513, 187979, 213026, 312803, 375958, 625606, 3440833, 6881666, 7194469, 14388938, 79139159, 158278318]

約数ペア:

[(1, 158278318), (2, 79139159), (11, 14388938), (22, 7194469), (23, 6881666), (46, 3440833), (253, 625606), (421, 375958), (506, 312803), (743, 213026), (842, 187979), (1486, 106513), (4631, 34178), (8173, 19366), (9262, 17089), (9683, 16346)]