389697904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{3347}}^1$

素因数の和:3757

約数の個数: 40

約数和(自身を含む): 797091840

約数和(自身を除く): 407393936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 383, 766, 1532, 3064, 3347, 6128, 6694, 7277, 13388, 14554, 26776, 29108, 53552, 58216, 63593, 116432, 127186, 254372, 508744, 1017488, 1281901, 2563802, 5127604, 10255208, 20510416, 24356119, 48712238, 97424476, 194848952, 389697904]

約数ペア:

[(1, 389697904), (2, 194848952), (4, 97424476), (8, 48712238), (16, 24356119), (19, 20510416), (38, 10255208), (76, 5127604), (152, 2563802), (304, 1281901), (383, 1017488), (766, 508744), (1532, 254372), (3064, 127186), (3347, 116432), (6128, 63593), (6694, 58216), (7277, 53552), (13388, 29108), (14554, 26776)]