128545298

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21011}}^1$

素因数の和:21062

約数の個数: 32

約数和(自身を含む): 242058240

約数和(自身を除く): 113512942

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 133, 161, 266, 322, 437, 874, 3059, 6118, 21011, 42022, 147077, 294154, 399209, 483253, 798418, 966506, 2794463, 3382771, 5588926, 6765542, 9181807, 18363614, 64272649, 128545298]

約数ペア:

[(1, 128545298), (2, 64272649), (7, 18363614), (14, 9181807), (19, 6765542), (23, 5588926), (38, 3382771), (46, 2794463), (133, 966506), (161, 798418), (266, 483253), (322, 399209), (437, 294154), (874, 147077), (3059, 42022), (6118, 21011)]