128657928

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{15629}}^1$

素因数の和:15659

約数の個数: 64

約数和(自身を含む): 375120000

約数和(自身を除く): 246462072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 15629, 31258, 46887, 62516, 93774, 109403, 125032, 187548, 218806, 328209, 375096, 437612, 656418, 765821, 875224, 1312836, 1531642, 2297463, 2625672, 3063284, 4594926, 5360747, 6126568, 9189852, 10721494, 16082241, 18379704, 21442988, 32164482, 42885976, 64328964, 128657928]

約数ペア:

[(1, 128657928), (2, 64328964), (3, 42885976), (4, 32164482), (6, 21442988), (7, 18379704), (8, 16082241), (12, 10721494), (14, 9189852), (21, 6126568), (24, 5360747), (28, 4594926), (42, 3063284), (49, 2625672), (56, 2297463), (84, 1531642), (98, 1312836), (147, 875224), (168, 765821), (196, 656418), (294, 437612), (343, 375096), (392, 328209), (588, 218806), (686, 187548), (1029, 125032), (1176, 109403), (1372, 93774), (2058, 62516), (2744, 46887), (4116, 31258), (8232, 15629)]