289203845

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1033}}^1$

素因数の和:1485

約数の個数: 32

約数和(自身を含む): 418894080

約数和(自身を除く): 129690235

約数列:

[1, 5, 7, 19, 35, 95, 133, 421, 665, 1033, 2105, 2947, 5165, 7231, 7999, 14735, 19627, 36155, 39995, 55993, 98135, 137389, 279965, 434893, 686945, 2174465, 3044251, 8262967, 15221255, 41314835, 57840769, 289203845]

約数ペア:

[(1, 289203845), (5, 57840769), (7, 41314835), (19, 15221255), (35, 8262967), (95, 3044251), (133, 2174465), (421, 686945), (665, 434893), (1033, 279965), (2105, 137389), (2947, 98135), (5165, 55993), (7231, 39995), (7999, 36155), (14735, 19627)]