64920128

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 161812224

約数和(自身を除く): 96892096

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 71, 91, 104, 112, 142, 157, 182, 208, 224, 284, 314, 364, 416, 448, 497, 568, 628, 728, 832, 923, 994, 1099, 1136, 1256, 1456, 1846, 1988, 2041, 2198, 2272, 2512, 2912, 3692, 3976, 4082, 4396, 4544, 5024, 5824, 6461, 7384, 7952, 8164, 8792, 10048, 11147, 12922, 14287, 14768, 15904, 16328, 17584, 22294, 25844, 28574, 29536, 31808, 32656, 35168, 44588, 51688, 57148, 59072, 65312, 70336, 78029, 89176, 103376, 114296, 130624, 144911, 156058, 178352, 206752, 228592, 289822, 312116, 356704, 413504, 457184, 579644, 624232, 713408, 914368, 1014377, 1159288, 1248464, 2028754, 2318576, 2496928, 4057508, 4637152, 4993856, 8115016, 9274304, 16230032, 32460064, 64920128]

約数ペア:

[(1, 64920128), (2, 32460064), (4, 16230032), (7, 9274304), (8, 8115016), (13, 4993856), (14, 4637152), (16, 4057508), (26, 2496928), (28, 2318576), (32, 2028754), (52, 1248464), (56, 1159288), (64, 1014377), (71, 914368), (91, 713408), (104, 624232), (112, 579644), (142, 457184), (157, 413504), (182, 356704), (208, 312116), (224, 289822), (284, 228592), (314, 206752), (364, 178352), (416, 156058), (448, 144911), (497, 130624), (568, 114296), (628, 103376), (728, 89176), (832, 78029), (923, 70336), (994, 65312), (1099, 59072), (1136, 57148), (1256, 51688), (1456, 44588), (1846, 35168), (1988, 32656), (2041, 31808), (2198, 29536), (2272, 28574), (2512, 25844), (2912, 22294), (3692, 17584), (3976, 16328), (4082, 15904), (4396, 14768), (4544, 14287), (5024, 12922), (5824, 11147), (6461, 10048), (7384, 8792), (7952, 8164)]