397409994

素因数分解:

$2^1\times 3^2\times {\mathrm{719}}^1\times {\mathrm{30707}}^1$

素因数の和:31434

約数の個数: 24

約数和(自身を含む): 862280640

約数和(自身を除く): 464870646

約数列:

[1, 2, 3, 6, 9, 18, 719, 1438, 2157, 4314, 6471, 12942, 30707, 61414, 92121, 184242, 276363, 552726, 22078333, 44156666, 66234999, 132469998, 198704997, 397409994]

約数ペア:

[(1, 397409994), (2, 198704997), (3, 132469998), (6, 66234999), (9, 44156666), (18, 22078333), (719, 552726), (1438, 276363), (2157, 184242), (4314, 92121), (6471, 61414), (12942, 30707)]