389371970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{63727}}^1$

素因数の和:63794

約数の個数: 32

約数和(自身を含む): 770853888

約数和(自身を除く): 381481918

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 63727, 127454, 318635, 637270, 828451, 1656902, 2995169, 4142255, 5990338, 8284510, 14975845, 29951690, 38937197, 77874394, 194685985, 389371970]

約数ペア:

[(1, 389371970), (2, 194685985), (5, 77874394), (10, 38937197), (13, 29951690), (26, 14975845), (47, 8284510), (65, 5990338), (94, 4142255), (130, 2995169), (235, 1656902), (470, 828451), (611, 637270), (1222, 318635), (3055, 127454), (6110, 63727)]