72865996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 151846912

約数和(自身を除く): 78980916

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 661, 868, 889, 1322, 1778, 2644, 3556, 3937, 4627, 7874, 9254, 15748, 18508, 20491, 27559, 40982, 55118, 81964, 83947, 110236, 143437, 167894, 286874, 335788, 573748, 587629, 1175258, 2350516, 2602357, 5204714, 10409428, 18216499, 36432998, 72865996]

約数ペア:

[(1, 72865996), (2, 36432998), (4, 18216499), (7, 10409428), (14, 5204714), (28, 2602357), (31, 2350516), (62, 1175258), (124, 587629), (127, 573748), (217, 335788), (254, 286874), (434, 167894), (508, 143437), (661, 110236), (868, 83947), (889, 81964), (1322, 55118), (1778, 40982), (2644, 27559), (3556, 20491), (3937, 18508), (4627, 15748), (7874, 9254)]