1393820015

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{673}}^1\times {\mathrm{1259}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 1956648960

約数和(自身を除く): 562828945

約数列:

[1, 5, 7, 35, 47, 235, 329, 673, 1259, 1645, 3365, 4711, 6295, 8813, 23555, 31631, 44065, 59173, 158155, 221417, 295865, 414211, 847307, 1107085, 2071055, 4236535, 5931149, 29655745, 39823429, 199117145, 278764003, 1393820015]

約数ペア:

[(1, 1393820015), (5, 278764003), (7, 199117145), (35, 39823429), (47, 29655745), (235, 5931149), (329, 4236535), (673, 2071055), (1259, 1107085), (1645, 847307), (3365, 414211), (4711, 295865), (6295, 221417), (8813, 158155), (23555, 59173), (31631, 44065)]