28204715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73259}}^1$

素因数の和:73282

約数の個数: 16

約数和(自身を含む): 42197760

約数和(自身を除く): 13993045

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 73259, 366295, 512813, 805849, 2564065, 4029245, 5640943, 28204715]

約数ペア:

[(1, 28204715), (5, 5640943), (7, 4029245), (11, 2564065), (35, 805849), (55, 512813), (77, 366295), (385, 73259)]