28335916

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 60928000

約数和(自身を除く): 32592084

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 931, 1087, 1372, 1862, 2174, 3724, 4348, 6517, 7609, 13034, 15218, 20653, 26068, 30436, 41306, 53263, 82612, 106526, 144571, 213052, 289142, 372841, 578284, 745682, 1011997, 1491364, 2023994, 4047988, 7083979, 14167958, 28335916]

約数ペア:

[(1, 28335916), (2, 14167958), (4, 7083979), (7, 4047988), (14, 2023994), (19, 1491364), (28, 1011997), (38, 745682), (49, 578284), (76, 372841), (98, 289142), (133, 213052), (196, 144571), (266, 106526), (343, 82612), (532, 53263), (686, 41306), (931, 30436), (1087, 26068), (1372, 20653), (1862, 15218), (2174, 13034), (3724, 7609), (4348, 6517)]