339720185

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{12959}}^1$

素因数の和:13085

約数の個数: 24

約数和(自身を含む): 478690560

約数和(自身を除く): 138970375

約数列:

[1, 5, 7, 35, 49, 107, 245, 535, 749, 3745, 5243, 12959, 26215, 64795, 90713, 453565, 634991, 1386613, 3174955, 6933065, 9706291, 48531455, 67944037, 339720185]

約数ペア:

[(1, 339720185), (5, 67944037), (7, 48531455), (35, 9706291), (49, 6933065), (107, 3174955), (245, 1386613), (535, 634991), (749, 453565), (3745, 90713), (5243, 64795), (12959, 26215)]