638632192

素因数分解:

$2^8\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 108

約数和(自身を含む): 1431300780

約数和(自身を除く): 792668588

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 53, 64, 88, 106, 121, 128, 176, 212, 242, 256, 352, 389, 424, 484, 583, 704, 778, 848, 968, 1166, 1408, 1556, 1696, 1936, 2332, 2816, 3112, 3392, 3872, 4279, 4664, 6224, 6413, 6784, 7744, 8558, 9328, 12448, 12826, 13568, 15488, 17116, 18656, 20617, 24896, 25652, 30976, 34232, 37312, 41234, 47069, 49792, 51304, 68464, 74624, 82468, 94138, 99584, 102608, 136928, 149248, 164936, 188276, 205216, 226787, 273856, 329872, 376552, 410432, 453574, 547712, 659744, 753104, 820864, 907148, 1095424, 1319488, 1506208, 1641728, 1814296, 2494657, 2638976, 3012416, 3628592, 4989314, 5277952, 6024832, 7257184, 9978628, 12049664, 14514368, 19957256, 29028736, 39914512, 58057472, 79829024, 159658048, 319316096, 638632192]

約数ペア:

[(1, 638632192), (2, 319316096), (4, 159658048), (8, 79829024), (11, 58057472), (16, 39914512), (22, 29028736), (32, 19957256), (44, 14514368), (53, 12049664), (64, 9978628), (88, 7257184), (106, 6024832), (121, 5277952), (128, 4989314), (176, 3628592), (212, 3012416), (242, 2638976), (256, 2494657), (352, 1814296), (389, 1641728), (424, 1506208), (484, 1319488), (583, 1095424), (704, 907148), (778, 820864), (848, 753104), (968, 659744), (1166, 547712), (1408, 453574), (1556, 410432), (1696, 376552), (1936, 329872), (2332, 273856), (2816, 226787), (3112, 205216), (3392, 188276), (3872, 164936), (4279, 149248), (4664, 136928), (6224, 102608), (6413, 99584), (6784, 94138), (7744, 82468), (8558, 74624), (9328, 68464), (12448, 51304), (12826, 49792), (13568, 47069), (15488, 41234), (17116, 37312), (18656, 34232), (20617, 30976), (24896, 25652)]