397773978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{9470809}}^1$

素因数の和:9470821

約数の個数: 16

約数和(自身を含む): 909197760

約数和(自身を除く): 511423782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 9470809, 18941618, 28412427, 56824854, 66295663, 132591326, 198886989, 397773978]

約数ペア:

[(1, 397773978), (2, 198886989), (3, 132591326), (6, 66295663), (7, 56824854), (14, 28412427), (21, 18941618), (42, 9470809)]