209891948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{241811}}^1$

素因数の和:241853

約数の個数: 24

約数和(自身を含む): 433327104

約数和(自身を除く): 223435156

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 241811, 483622, 967244, 1692677, 3385354, 6770708, 7496141, 14992282, 29984564, 52472987, 104945974, 209891948]

約数ペア:

[(1, 209891948), (2, 104945974), (4, 52472987), (7, 29984564), (14, 14992282), (28, 7496141), (31, 6770708), (62, 3385354), (124, 1692677), (217, 967244), (434, 483622), (868, 241811)]