400540561

素因数分解:

${\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{1249}}^1$

素因数の和:1536

約数の個数: 16

約数和(自身を含む): 426240000

約数和(自身を除く): 25699439

約数列:

[1, 23, 73, 191, 1249, 1679, 4393, 13943, 28727, 91177, 238559, 320689, 2097071, 5486857, 17414807, 400540561]

約数ペア:

[(1, 400540561), (23, 17414807), (73, 5486857), (191, 2097071), (1249, 320689), (1679, 238559), (4393, 91177), (13943, 28727)]