222121984

素因数分解:

$2^{12}\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 104

約数和(自身を含む): 520030208

約数和(自身を除く): 297908224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 127, 128, 224, 244, 254, 256, 427, 448, 488, 508, 512, 854, 889, 896, 976, 1016, 1024, 1708, 1778, 1792, 1952, 2032, 2048, 3416, 3556, 3584, 3904, 4064, 4096, 6832, 7112, 7168, 7747, 7808, 8128, 13664, 14224, 14336, 15494, 15616, 16256, 27328, 28448, 28672, 30988, 31232, 32512, 54229, 54656, 56896, 61976, 62464, 65024, 108458, 109312, 113792, 123952, 124928, 130048, 216916, 218624, 227584, 247904, 249856, 260096, 433832, 437248, 455168, 495808, 520192, 867664, 874496, 910336, 991616, 1735328, 1748992, 1820672, 1983232, 3470656, 3641344, 3966464, 6941312, 7932928, 13882624, 15865856, 27765248, 31731712, 55530496, 111060992, 222121984]

約数ペア:

[(1, 222121984), (2, 111060992), (4, 55530496), (7, 31731712), (8, 27765248), (14, 15865856), (16, 13882624), (28, 7932928), (32, 6941312), (56, 3966464), (61, 3641344), (64, 3470656), (112, 1983232), (122, 1820672), (127, 1748992), (128, 1735328), (224, 991616), (244, 910336), (254, 874496), (256, 867664), (427, 520192), (448, 495808), (488, 455168), (508, 437248), (512, 433832), (854, 260096), (889, 249856), (896, 247904), (976, 227584), (1016, 218624), (1024, 216916), (1708, 130048), (1778, 124928), (1792, 123952), (1952, 113792), (2032, 109312), (2048, 108458), (3416, 65024), (3556, 62464), (3584, 61976), (3904, 56896), (4064, 54656), (4096, 54229), (6832, 32512), (7112, 31232), (7168, 30988), (7747, 28672), (7808, 28448), (8128, 27328), (13664, 16256), (14224, 15616), (14336, 15494)]