1388219392

素因数分解:

$2^{10}\times 7^2\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:486

約数の個数: 132

約数和(自身を含む): 3281013480

約数和(自身を除く): 1892794088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 146, 196, 224, 256, 292, 379, 392, 448, 511, 512, 584, 758, 784, 896, 1022, 1024, 1168, 1516, 1568, 1792, 2044, 2336, 2653, 3032, 3136, 3577, 3584, 4088, 4672, 5306, 6064, 6272, 7154, 7168, 8176, 9344, 10612, 12128, 12544, 14308, 16352, 18571, 18688, 21224, 24256, 25088, 27667, 28616, 32704, 37142, 37376, 42448, 48512, 50176, 55334, 57232, 65408, 74284, 74752, 84896, 97024, 110668, 114464, 130816, 148568, 169792, 193669, 194048, 221336, 228928, 261632, 297136, 339584, 387338, 388096, 442672, 457856, 523264, 594272, 679168, 774676, 885344, 915712, 1188544, 1355683, 1358336, 1549352, 1770688, 1831424, 2377088, 2711366, 2716672, 3098704, 3541376, 3662848, 4754176, 5422732, 6197408, 7082752, 9508352, 10845464, 12394816, 14165504, 19016704, 21690928, 24789632, 28331008, 43381856, 49579264, 86763712, 99158528, 173527424, 198317056, 347054848, 694109696, 1388219392]

約数ペア:

[(1, 1388219392), (2, 694109696), (4, 347054848), (7, 198317056), (8, 173527424), (14, 99158528), (16, 86763712), (28, 49579264), (32, 43381856), (49, 28331008), (56, 24789632), (64, 21690928), (73, 19016704), (98, 14165504), (112, 12394816), (128, 10845464), (146, 9508352), (196, 7082752), (224, 6197408), (256, 5422732), (292, 4754176), (379, 3662848), (392, 3541376), (448, 3098704), (511, 2716672), (512, 2711366), (584, 2377088), (758, 1831424), (784, 1770688), (896, 1549352), (1022, 1358336), (1024, 1355683), (1168, 1188544), (1516, 915712), (1568, 885344), (1792, 774676), (2044, 679168), (2336, 594272), (2653, 523264), (3032, 457856), (3136, 442672), (3577, 388096), (3584, 387338), (4088, 339584), (4672, 297136), (5306, 261632), (6064, 228928), (6272, 221336), (7154, 194048), (7168, 193669), (8176, 169792), (9344, 148568), (10612, 130816), (12128, 114464), (12544, 110668), (14308, 97024), (16352, 84896), (18571, 74752), (18688, 74284), (21224, 65408), (24256, 57232), (25088, 55334), (27667, 50176), (28616, 48512), (32704, 42448), (37142, 37376)]