128815016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 272937600

約数和(自身を除く): 144122584

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 71, 88, 106, 142, 212, 284, 389, 424, 568, 583, 778, 781, 1166, 1556, 1562, 2332, 3112, 3124, 3763, 4279, 4664, 6248, 7526, 8558, 15052, 17116, 20617, 27619, 30104, 34232, 41234, 41393, 55238, 82468, 82786, 110476, 164936, 165572, 220952, 226787, 303809, 331144, 453574, 607618, 907148, 1215236, 1463807, 1814296, 2430472, 2927614, 5855228, 11710456, 16101877, 32203754, 64407508, 128815016]

約数ペア:

[(1, 128815016), (2, 64407508), (4, 32203754), (8, 16101877), (11, 11710456), (22, 5855228), (44, 2927614), (53, 2430472), (71, 1814296), (88, 1463807), (106, 1215236), (142, 907148), (212, 607618), (284, 453574), (389, 331144), (424, 303809), (568, 226787), (583, 220952), (778, 165572), (781, 164936), (1166, 110476), (1556, 82786), (1562, 82468), (2332, 55238), (3112, 41393), (3124, 41234), (3763, 34232), (4279, 30104), (4664, 27619), (6248, 20617), (7526, 17116), (8558, 15052)]