428823385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{547}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 571007232

約数和(自身を除く): 142183847

約数列:

[1, 5, 17, 23, 85, 115, 391, 401, 547, 1955, 2005, 2735, 6817, 9223, 9299, 12581, 34085, 46115, 46495, 62905, 156791, 213877, 219347, 783955, 1069385, 1096735, 3728899, 5044981, 18644495, 25224905, 85764677, 428823385]

約数ペア:

[(1, 428823385), (5, 85764677), (17, 25224905), (23, 18644495), (85, 5044981), (115, 3728899), (391, 1096735), (401, 1069385), (547, 783955), (1955, 219347), (2005, 213877), (2735, 156791), (6817, 62905), (9223, 46495), (9299, 46115), (12581, 34085)]