28385702912

素因数分解:

$2^{10}\times 7^1\times {\mathrm{61}}^1\times {\mathrm{64919}}^1$

素因数の和:65007

約数の個数: 88

約数和(自身を含む): 65914055040

約数和(自身を除く): 37528352128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 256, 427, 448, 488, 512, 854, 896, 976, 1024, 1708, 1792, 1952, 3416, 3584, 3904, 6832, 7168, 7808, 13664, 15616, 27328, 31232, 54656, 62464, 64919, 109312, 129838, 218624, 259676, 437248, 454433, 519352, 908866, 1038704, 1817732, 2077408, 3635464, 3960059, 4154816, 7270928, 7920118, 8309632, 14541856, 15840236, 16619264, 27720413, 29083712, 31680472, 33238528, 55440826, 58167424, 63360944, 66477056, 110881652, 116334848, 126721888, 221763304, 232669696, 253443776, 443526608, 465339392, 506887552, 887053216, 1013775104, 1774106432, 2027550208, 3548212864, 4055100416, 7096425728, 14192851456, 28385702912]

約数ペア:

[(1, 28385702912), (2, 14192851456), (4, 7096425728), (7, 4055100416), (8, 3548212864), (14, 2027550208), (16, 1774106432), (28, 1013775104), (32, 887053216), (56, 506887552), (61, 465339392), (64, 443526608), (112, 253443776), (122, 232669696), (128, 221763304), (224, 126721888), (244, 116334848), (256, 110881652), (427, 66477056), (448, 63360944), (488, 58167424), (512, 55440826), (854, 33238528), (896, 31680472), (976, 29083712), (1024, 27720413), (1708, 16619264), (1792, 15840236), (1952, 14541856), (3416, 8309632), (3584, 7920118), (3904, 7270928), (6832, 4154816), (7168, 3960059), (7808, 3635464), (13664, 2077408), (15616, 1817732), (27328, 1038704), (31232, 908866), (54656, 519352), (62464, 454433), (64919, 437248), (109312, 259676), (129838, 218624)]