28707252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17987}}^1$

素因数の和:18020

約数の個数: 48

約数和(自身を含む): 80586240

約数和(自身を除く): 51878988

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 17987, 35974, 53961, 71948, 107922, 125909, 215844, 251818, 341753, 377727, 503636, 683506, 755454, 1025259, 1367012, 1510908, 2050518, 2392271, 4101036, 4784542, 7176813, 9569084, 14353626, 28707252]

約数ペア:

[(1, 28707252), (2, 14353626), (3, 9569084), (4, 7176813), (6, 4784542), (7, 4101036), (12, 2392271), (14, 2050518), (19, 1510908), (21, 1367012), (28, 1025259), (38, 755454), (42, 683506), (57, 503636), (76, 377727), (84, 341753), (114, 251818), (133, 215844), (228, 125909), (266, 107922), (399, 71948), (532, 53961), (798, 35974), (1596, 17987)]