638647552

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{40897}}^1$

素因数の和:40974

約数の個数: 36

約数和(自身を含む): 1295730436

約数和(自身を除く): 657082884

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1952, 3904, 7808, 15616, 40897, 81794, 163588, 327176, 654352, 1308704, 2494717, 2617408, 4989434, 5234816, 9978868, 10469632, 19957736, 39915472, 79830944, 159661888, 319323776, 638647552]

約数ペア:

[(1, 638647552), (2, 319323776), (4, 159661888), (8, 79830944), (16, 39915472), (32, 19957736), (61, 10469632), (64, 9978868), (122, 5234816), (128, 4989434), (244, 2617408), (256, 2494717), (488, 1308704), (976, 654352), (1952, 327176), (3904, 163588), (7808, 81794), (15616, 40897)]