209890998

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{271177}}^1$

素因数の和:271228

約数の個数: 24

約数和(自身を含む): 465341448

約数和(自身を除く): 255450450

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 271177, 542354, 813531, 1627062, 2440593, 4881186, 11660611, 23321222, 34981833, 69963666, 104945499, 209890998]

約数ペア:

[(1, 209890998), (2, 104945499), (3, 69963666), (6, 34981833), (9, 23321222), (18, 11660611), (43, 4881186), (86, 2440593), (129, 1627062), (258, 813531), (387, 542354), (774, 271177)]