15581258

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 31352832

約数和(自身を除く): 15771574

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 53, 77, 83, 106, 154, 161, 166, 253, 322, 371, 506, 581, 583, 742, 913, 1162, 1166, 1219, 1771, 1826, 1909, 2438, 3542, 3818, 4081, 4399, 6391, 8162, 8533, 8798, 12782, 13363, 13409, 17066, 20999, 26726, 26818, 30793, 41998, 48389, 61586, 93863, 96778, 101177, 146993, 187726, 202354, 293986, 338723, 677446, 708239, 1112947, 1416478, 2225894, 7790629, 15581258]

約数ペア:

[(1, 15581258), (2, 7790629), (7, 2225894), (11, 1416478), (14, 1112947), (22, 708239), (23, 677446), (46, 338723), (53, 293986), (77, 202354), (83, 187726), (106, 146993), (154, 101177), (161, 96778), (166, 93863), (253, 61586), (322, 48389), (371, 41998), (506, 30793), (581, 26818), (583, 26726), (742, 20999), (913, 17066), (1162, 13409), (1166, 13363), (1219, 12782), (1771, 8798), (1826, 8533), (1909, 8162), (2438, 6391), (3542, 4399), (3818, 4081)]