389629994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1571}}^1\times {\mathrm{9539}}^1$

素因数の和:11125

約数の個数: 16

約数和(自身を含む): 629868960

約数和(自身を除く): 240238966

約数列:

[1, 2, 13, 26, 1571, 3142, 9539, 19078, 20423, 40846, 124007, 248014, 14985769, 29971538, 194814997, 389629994]

約数ペア:

[(1, 389629994), (2, 194814997), (13, 29971538), (26, 14985769), (1571, 248014), (3142, 124007), (9539, 40846), (19078, 20423)]