126778496

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1337

約数の個数: 64

約数和(自身を含む): 276675000

約数和(自身を除く): 149896504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 416, 488, 793, 832, 976, 1249, 1586, 1664, 1952, 2498, 3172, 3904, 4996, 6344, 7808, 9992, 12688, 16237, 19984, 25376, 32474, 39968, 50752, 64948, 76189, 79936, 101504, 129896, 152378, 159872, 259792, 304756, 519584, 609512, 990457, 1039168, 1219024, 1980914, 2078336, 2438048, 3961828, 4876096, 7923656, 9752192, 15847312, 31694624, 63389248, 126778496]

約数ペア:

[(1, 126778496), (2, 63389248), (4, 31694624), (8, 15847312), (13, 9752192), (16, 7923656), (26, 4876096), (32, 3961828), (52, 2438048), (61, 2078336), (64, 1980914), (104, 1219024), (122, 1039168), (128, 990457), (208, 609512), (244, 519584), (416, 304756), (488, 259792), (793, 159872), (832, 152378), (976, 129896), (1249, 101504), (1586, 79936), (1664, 76189), (1952, 64948), (2498, 50752), (3172, 39968), (3904, 32474), (4996, 25376), (6344, 19984), (7808, 16237), (9992, 12688)]