28707952

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19717}}^1$

素因数の和:19745

約数の個数: 40

約数和(自身を含む): 68460896

約数和(自身を除く): 39752944

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19717, 39434, 78868, 138019, 157736, 256321, 276038, 315472, 512642, 552076, 1025284, 1104152, 1794247, 2050568, 2208304, 3588494, 4101136, 7176988, 14353976, 28707952]

約数ペア:

[(1, 28707952), (2, 14353976), (4, 7176988), (7, 4101136), (8, 3588494), (13, 2208304), (14, 2050568), (16, 1794247), (26, 1104152), (28, 1025284), (52, 552076), (56, 512642), (91, 315472), (104, 276038), (112, 256321), (182, 157736), (208, 138019), (364, 78868), (728, 39434), (1456, 19717)]