665264128

素因数分解:

$2^{13}\times {\mathrm{17}}^2\times {\mathrm{281}}^1$

素因数の和:341

約数の個数: 84

約数和(自身を含む): 1418341842

約数和(自身を除く): 753077714

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 281, 289, 512, 544, 562, 578, 1024, 1088, 1124, 1156, 2048, 2176, 2248, 2312, 4096, 4352, 4496, 4624, 4777, 8192, 8704, 8992, 9248, 9554, 17408, 17984, 18496, 19108, 34816, 35968, 36992, 38216, 69632, 71936, 73984, 76432, 81209, 139264, 143872, 147968, 152864, 162418, 287744, 295936, 305728, 324836, 575488, 591872, 611456, 649672, 1150976, 1183744, 1222912, 1299344, 2301952, 2367488, 2445824, 2598688, 4891648, 5197376, 9783296, 10394752, 19566592, 20789504, 39133184, 41579008, 83158016, 166316032, 332632064, 665264128]

約数ペア:

[(1, 665264128), (2, 332632064), (4, 166316032), (8, 83158016), (16, 41579008), (17, 39133184), (32, 20789504), (34, 19566592), (64, 10394752), (68, 9783296), (128, 5197376), (136, 4891648), (256, 2598688), (272, 2445824), (281, 2367488), (289, 2301952), (512, 1299344), (544, 1222912), (562, 1183744), (578, 1150976), (1024, 649672), (1088, 611456), (1124, 591872), (1156, 575488), (2048, 324836), (2176, 305728), (2248, 295936), (2312, 287744), (4096, 162418), (4352, 152864), (4496, 147968), (4624, 143872), (4777, 139264), (8192, 81209), (8704, 76432), (8992, 73984), (9248, 71936), (9554, 69632), (17408, 38216), (17984, 36992), (18496, 35968), (19108, 34816)]