289081856

素因数分解:

$2^9\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1125

約数の個数: 80

約数和(自身を含む): 669123840

約数和(自身を除く): 380041984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 512, 553, 632, 896, 1021, 1106, 1264, 1792, 2042, 2212, 2528, 3584, 4084, 4424, 5056, 7147, 8168, 8848, 10112, 14294, 16336, 17696, 20224, 28588, 32672, 35392, 40448, 57176, 65344, 70784, 80659, 114352, 130688, 141568, 161318, 228704, 261376, 283136, 322636, 457408, 522752, 564613, 645272, 914816, 1129226, 1290544, 1829632, 2258452, 2581088, 3659264, 4516904, 5162176, 9033808, 10324352, 18067616, 20648704, 36135232, 41297408, 72270464, 144540928, 289081856]

約数ペア:

[(1, 289081856), (2, 144540928), (4, 72270464), (7, 41297408), (8, 36135232), (14, 20648704), (16, 18067616), (28, 10324352), (32, 9033808), (56, 5162176), (64, 4516904), (79, 3659264), (112, 2581088), (128, 2258452), (158, 1829632), (224, 1290544), (256, 1129226), (316, 914816), (448, 645272), (512, 564613), (553, 522752), (632, 457408), (896, 322636), (1021, 283136), (1106, 261376), (1264, 228704), (1792, 161318), (2042, 141568), (2212, 130688), (2528, 114352), (3584, 80659), (4084, 70784), (4424, 65344), (5056, 57176), (7147, 40448), (8168, 35392), (8848, 32672), (10112, 28588), (14294, 20224), (16336, 17696)]