28994455

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26723}}^1$

素因数の和:26766

約数の個数: 16

約数和(自身を含む): 41048064

約数和(自身を除く): 12053609

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26723, 133615, 187061, 828413, 935305, 4142065, 5798891, 28994455]

約数ペア:

[(1, 28994455), (5, 5798891), (7, 4142065), (31, 935305), (35, 828413), (155, 187061), (217, 133615), (1085, 26723)]