638346057

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1459}}^1$

素因数の和:1645

約数の個数: 32

約数和(自身を含む): 908236800

約数和(自身を除く): 269890743

約数列:

[1, 3, 29, 47, 87, 107, 141, 321, 1363, 1459, 3103, 4089, 4377, 5029, 9309, 15087, 42311, 68573, 126933, 145841, 156113, 205719, 437523, 468339, 1988617, 4527277, 5965851, 7337311, 13581831, 22011933, 212782019, 638346057]

約数ペア:

[(1, 638346057), (3, 212782019), (29, 22011933), (47, 13581831), (87, 7337311), (107, 5965851), (141, 4527277), (321, 1988617), (1363, 468339), (1459, 437523), (3103, 205719), (4089, 156113), (4377, 145841), (5029, 126933), (9309, 68573), (15087, 42311)]