15691208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 32947740

約数和(自身を除く): 17256532

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 157, 248, 314, 403, 628, 806, 961, 1256, 1612, 1922, 2041, 3224, 3844, 4082, 4867, 7688, 8164, 9734, 12493, 16328, 19468, 24986, 38936, 49972, 63271, 99944, 126542, 150877, 253084, 301754, 506168, 603508, 1207016, 1961401, 3922802, 7845604, 15691208]

約数ペア:

[(1, 15691208), (2, 7845604), (4, 3922802), (8, 1961401), (13, 1207016), (26, 603508), (31, 506168), (52, 301754), (62, 253084), (104, 150877), (124, 126542), (157, 99944), (248, 63271), (314, 49972), (403, 38936), (628, 24986), (806, 19468), (961, 16328), (1256, 12493), (1612, 9734), (1922, 8164), (2041, 7688), (3224, 4867), (3844, 4082)]