28679917

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{487}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 33730560

約数和(自身を除く): 5050643

約数列:

[1, 7, 47, 179, 329, 487, 1253, 3409, 8413, 22889, 58891, 87173, 160223, 610211, 4097131, 28679917]

約数ペア:

[(1, 28679917), (7, 4097131), (47, 610211), (179, 160223), (329, 87173), (487, 58891), (1253, 22889), (3409, 8413)]