25260664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 31348616

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 311, 568, 572, 622, 781, 923, 1144, 1244, 1562, 1846, 2488, 3124, 3421, 3692, 4043, 6248, 6842, 7384, 8086, 10153, 13684, 16172, 20306, 22081, 27368, 32344, 40612, 44162, 44473, 81224, 88324, 88946, 176648, 177892, 242891, 287053, 355784, 485782, 574106, 971564, 1148212, 1943128, 2296424, 3157583, 6315166, 12630332, 25260664]

約数ペア:

[(1, 25260664), (2, 12630332), (4, 6315166), (8, 3157583), (11, 2296424), (13, 1943128), (22, 1148212), (26, 971564), (44, 574106), (52, 485782), (71, 355784), (88, 287053), (104, 242891), (142, 177892), (143, 176648), (284, 88946), (286, 88324), (311, 81224), (568, 44473), (572, 44162), (622, 40612), (781, 32344), (923, 27368), (1144, 22081), (1244, 20306), (1562, 16172), (1846, 13684), (2488, 10153), (3124, 8086), (3421, 7384), (3692, 6842), (4043, 6248)]