128268944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1153}}^1$

素因数の和:1587

約数の個数: 40

約数和(自身を含む): 264012120

約数和(自身を除く): 135743176

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 409, 818, 1153, 1636, 2306, 3272, 4612, 6544, 6953, 9224, 13906, 18448, 19601, 27812, 39202, 55624, 78404, 111248, 156808, 313616, 471577, 943154, 1886308, 3772616, 7545232, 8016809, 16033618, 32067236, 64134472, 128268944]

約数ペア:

[(1, 128268944), (2, 64134472), (4, 32067236), (8, 16033618), (16, 8016809), (17, 7545232), (34, 3772616), (68, 1886308), (136, 943154), (272, 471577), (409, 313616), (818, 156808), (1153, 111248), (1636, 78404), (2306, 55624), (3272, 39202), (4612, 27812), (6544, 19601), (6953, 18448), (9224, 13906)]