15721384

素因数分解:

$2^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{733}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 33822720

約数和(自身を除く): 18101336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 383, 733, 766, 1466, 1532, 2681, 2932, 3064, 5131, 5362, 5864, 10262, 10724, 20524, 21448, 41048, 280739, 561478, 1122956, 1965173, 2245912, 3930346, 7860692, 15721384]

約数ペア:

[(1, 15721384), (2, 7860692), (4, 3930346), (7, 2245912), (8, 1965173), (14, 1122956), (28, 561478), (56, 280739), (383, 41048), (733, 21448), (766, 20524), (1466, 10724), (1532, 10262), (2681, 5864), (2932, 5362), (3064, 5131)]