28493255

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6121}}^1$

素因数の和:6159

約数の個数: 24

約数和(自身を含む): 41874480

約数和(自身を除く): 13381225

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 6121, 30605, 42847, 116299, 214235, 299929, 581495, 814093, 1499645, 4070465, 5698651, 28493255]

約数ペア:

[(1, 28493255), (5, 5698651), (7, 4070465), (19, 1499645), (35, 814093), (49, 581495), (95, 299929), (133, 214235), (245, 116299), (665, 42847), (931, 30605), (4655, 6121)]