131121536

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11257}}^1$

素因数の和:11291

約数の個数: 64

約数和(自身を含む): 321528480

約数和(自身を除く): 190406944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11257, 11648, 22514, 45028, 78799, 90056, 146341, 157598, 180112, 292682, 315196, 360224, 585364, 630392, 720448, 1024387, 1170728, 1260784, 1440896, 2048774, 2341456, 2521568, 4097548, 4682912, 5043136, 8195096, 9365824, 10086272, 16390192, 18731648, 32780384, 65560768, 131121536]

約数ペア:

[(1, 131121536), (2, 65560768), (4, 32780384), (7, 18731648), (8, 16390192), (13, 10086272), (14, 9365824), (16, 8195096), (26, 5043136), (28, 4682912), (32, 4097548), (52, 2521568), (56, 2341456), (64, 2048774), (91, 1440896), (104, 1260784), (112, 1170728), (128, 1024387), (182, 720448), (208, 630392), (224, 585364), (364, 360224), (416, 315196), (448, 292682), (728, 180112), (832, 157598), (896, 146341), (1456, 90056), (1664, 78799), (2912, 45028), (5824, 22514), (11257, 11648)]