251009278

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{509}}^1\times {\mathrm{1459}}^1$

素因数の和:1996

約数の個数: 24

約数和(自身を含む): 408785400

約数和(自身を除く): 157776122

約数列:

[1, 2, 13, 26, 169, 338, 509, 1018, 1459, 2918, 6617, 13234, 18967, 37934, 86021, 172042, 246571, 493142, 742631, 1485262, 9654203, 19308406, 125504639, 251009278]

約数ペア:

[(1, 251009278), (2, 125504639), (13, 19308406), (26, 9654203), (169, 1485262), (338, 742631), (509, 493142), (1018, 246571), (1459, 172042), (2918, 86021), (6617, 37934), (13234, 18967)]