254383438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{17209}}^1$

素因数の和:17619

約数の個数: 16

約数和(自身を含む): 402714000

約数和(自身を除く): 148330562

約数列:

[1, 2, 19, 38, 389, 778, 7391, 14782, 17209, 34418, 326971, 653942, 6694301, 13388602, 127191719, 254383438]

約数ペア:

[(1, 254383438), (2, 127191719), (19, 13388602), (38, 6694301), (389, 653942), (778, 326971), (7391, 34418), (14782, 17209)]