154900984

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{38959}}^1$

素因数の和:39043

約数の個数: 32

約数和(自身を含む): 336614400

約数和(自身を除く): 181713416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 38959, 77918, 155836, 272713, 311672, 545426, 1090852, 2181704, 2766089, 5532178, 11064356, 19362623, 22128712, 38725246, 77450492, 154900984]

約数ペア:

[(1, 154900984), (2, 77450492), (4, 38725246), (7, 22128712), (8, 19362623), (14, 11064356), (28, 5532178), (56, 2766089), (71, 2181704), (142, 1090852), (284, 545426), (497, 311672), (568, 272713), (994, 155836), (1988, 77918), (3976, 38959)]