145214447

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 177315840

約数和(自身を除く): 32101393

約数列:

[1, 7, 31, 73, 89, 103, 217, 511, 623, 721, 2263, 2759, 3193, 6497, 7519, 9167, 15841, 19313, 22351, 45479, 52633, 64169, 201407, 233089, 284177, 669191, 1409849, 1631623, 1989239, 4684337, 20744921, 145214447]

約数ペア:

[(1, 145214447), (7, 20744921), (31, 4684337), (73, 1989239), (89, 1631623), (103, 1409849), (217, 669191), (511, 284177), (623, 233089), (721, 201407), (2263, 64169), (2759, 52633), (3193, 45479), (6497, 22351), (7519, 19313), (9167, 15841)]