28001435

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 42204672

約数和(自身を除く): 14203237

約数列:

[1, 5, 7, 11, 35, 55, 77, 257, 283, 385, 1285, 1415, 1799, 1981, 2827, 3113, 8995, 9905, 14135, 15565, 19789, 21791, 72731, 98945, 108955, 363655, 509117, 800041, 2545585, 4000205, 5600287, 28001435]

約数ペア:

[(1, 28001435), (5, 5600287), (7, 4000205), (11, 2545585), (35, 800041), (55, 509117), (77, 363655), (257, 108955), (283, 98945), (385, 72731), (1285, 21791), (1415, 19789), (1799, 15565), (1981, 14135), (2827, 9905), (3113, 8995)]