78946868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19717}}^1$

素因数の和:19752

約数の個数: 48

約数和(自身を含む): 185506944

約数和(自身を除く): 106560076

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 19717, 39434, 78868, 138019, 216887, 256321, 276038, 433774, 512642, 552076, 867548, 1025284, 1518209, 1794247, 2819531, 3036418, 3588494, 5639062, 6072836, 7176988, 11278124, 19736717, 39473434, 78946868]

約数ペア:

[(1, 78946868), (2, 39473434), (4, 19736717), (7, 11278124), (11, 7176988), (13, 6072836), (14, 5639062), (22, 3588494), (26, 3036418), (28, 2819531), (44, 1794247), (52, 1518209), (77, 1025284), (91, 867548), (143, 552076), (154, 512642), (182, 433774), (286, 276038), (308, 256321), (364, 216887), (572, 138019), (1001, 78868), (2002, 39434), (4004, 19717)]