389968616

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{3529}}^1$

素因数の和:4281

約数の個数: 32

約数和(自身を含む): 770952000

約数和(自身を除く): 380983384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 727, 1454, 2908, 3529, 5816, 7058, 13813, 14116, 27626, 28232, 55252, 67051, 110504, 134102, 268204, 536408, 2565583, 5131166, 10262332, 20524664, 48746077, 97492154, 194984308, 389968616]

約数ペア:

[(1, 389968616), (2, 194984308), (4, 97492154), (8, 48746077), (19, 20524664), (38, 10262332), (76, 5131166), (152, 2565583), (727, 536408), (1454, 268204), (2908, 134102), (3529, 110504), (5816, 67051), (7058, 55252), (13813, 28232), (14116, 27626)]