81822208

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 80

約数和(自身を含む): 185613120

約数和(自身を除く): 103790912

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 512, 608, 647, 832, 988, 1216, 1294, 1664, 1976, 2432, 2588, 3328, 3952, 4864, 5176, 6656, 7904, 8411, 9728, 10352, 12293, 15808, 16822, 20704, 24586, 31616, 33644, 41408, 49172, 63232, 67288, 82816, 98344, 126464, 134576, 159809, 165632, 196688, 269152, 319618, 331264, 393376, 538304, 639236, 786752, 1076608, 1278472, 1573504, 2153216, 2556944, 3147008, 4306432, 5113888, 6294016, 10227776, 20455552, 40911104, 81822208]

約数ペア:

[(1, 81822208), (2, 40911104), (4, 20455552), (8, 10227776), (13, 6294016), (16, 5113888), (19, 4306432), (26, 3147008), (32, 2556944), (38, 2153216), (52, 1573504), (64, 1278472), (76, 1076608), (104, 786752), (128, 639236), (152, 538304), (208, 393376), (247, 331264), (256, 319618), (304, 269152), (416, 196688), (494, 165632), (512, 159809), (608, 134576), (647, 126464), (832, 98344), (988, 82816), (1216, 67288), (1294, 63232), (1664, 49172), (1976, 41408), (2432, 33644), (2588, 31616), (3328, 24586), (3952, 20704), (4864, 16822), (5176, 15808), (6656, 12293), (7904, 10352), (8411, 9728)]