28520772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1291}}^1$

素因数の和:1568

約数の個数: 48

約数和(自身を含む): 76403712

約数和(自身を除く): 47882940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 263, 526, 789, 1052, 1291, 1578, 1841, 2582, 3156, 3682, 3873, 5164, 5523, 7364, 7746, 9037, 11046, 15492, 18074, 22092, 27111, 36148, 54222, 108444, 339533, 679066, 1018599, 1358132, 2037198, 2376731, 4074396, 4753462, 7130193, 9506924, 14260386, 28520772]

約数ペア:

[(1, 28520772), (2, 14260386), (3, 9506924), (4, 7130193), (6, 4753462), (7, 4074396), (12, 2376731), (14, 2037198), (21, 1358132), (28, 1018599), (42, 679066), (84, 339533), (263, 108444), (526, 54222), (789, 36148), (1052, 27111), (1291, 22092), (1578, 18074), (1841, 15492), (2582, 11046), (3156, 9037), (3682, 7746), (3873, 7364), (5164, 5523)]