988402805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661139}}^1$

素因数の和:661180

約数の個数: 16

約数和(自身を含む): 1332858240

約数和(自身を除く): 344455435

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 661139, 3305695, 8594807, 15206197, 42974035, 76030985, 197680561, 988402805]

約数ペア:

[(1, 988402805), (5, 197680561), (13, 76030985), (23, 42974035), (65, 15206197), (115, 8594807), (299, 3305695), (1495, 661139)]