638745824

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{12149}}^1$

素因数の和:12243

約数の個数: 48

約数和(自身を含む): 1322697600

約数和(自身を除く): 683951776

約数列:

[1, 2, 4, 8, 16, 31, 32, 53, 62, 106, 124, 212, 248, 424, 496, 848, 992, 1643, 1696, 3286, 6572, 12149, 13144, 24298, 26288, 48596, 52576, 97192, 194384, 376619, 388768, 643897, 753238, 1287794, 1506476, 2575588, 3012952, 5151176, 6025904, 10302352, 12051808, 19960807, 20604704, 39921614, 79843228, 159686456, 319372912, 638745824]

約数ペア:

[(1, 638745824), (2, 319372912), (4, 159686456), (8, 79843228), (16, 39921614), (31, 20604704), (32, 19960807), (53, 12051808), (62, 10302352), (106, 6025904), (124, 5151176), (212, 3012952), (248, 2575588), (424, 1506476), (496, 1287794), (848, 753238), (992, 643897), (1643, 388768), (1696, 376619), (3286, 194384), (6572, 97192), (12149, 52576), (13144, 48596), (24298, 26288)]