251240388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2990957}}^1$

素因数の和:2990971

約数の個数: 24

約数和(自身を含む): 669974592

約数和(自身を除く): 418734204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2990957, 5981914, 8972871, 11963828, 17945742, 20936699, 35891484, 41873398, 62810097, 83746796, 125620194, 251240388]

約数ペア:

[(1, 251240388), (2, 125620194), (3, 83746796), (4, 62810097), (6, 41873398), (7, 35891484), (12, 20936699), (14, 17945742), (21, 11963828), (28, 8972871), (42, 5981914), (84, 2990957)]