398125045

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{3583}}^1$

素因数の和:3972

約数の個数: 16

約数和(自身を含む): 486162432

約数和(自身を除く): 88037387

約数列:

[1, 5, 71, 313, 355, 1565, 3583, 17915, 22223, 111115, 254393, 1121479, 1271965, 5607395, 79625009, 398125045]

約数ペア:

[(1, 398125045), (5, 79625009), (71, 5607395), (313, 1271965), (355, 1121479), (1565, 254393), (3583, 111115), (17915, 22223)]