199620289

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 241781760

約数和(自身を除く): 42161471

約数列:

[1, 11, 19, 23, 131, 209, 253, 317, 437, 1441, 2489, 3013, 3487, 4807, 6023, 7291, 27379, 33143, 41527, 57247, 66253, 80201, 138529, 456797, 629717, 789013, 955121, 1523819, 8679143, 10506331, 18147299, 199620289]

約数ペア:

[(1, 199620289), (11, 18147299), (19, 10506331), (23, 8679143), (131, 1523819), (209, 955121), (253, 789013), (317, 629717), (437, 456797), (1441, 138529), (2489, 80201), (3013, 66253), (3487, 57247), (4807, 41527), (6023, 33143), (7291, 27379)]