2008721854208

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{5531}}^1\times {\mathrm{45763}}^1$

素因数の和:51341

約数の個数: 72

約数和(自身を含む): 4139777757696

約数和(自身を除く): 2131055903488

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 5531, 7936, 11062, 22124, 44248, 45763, 88496, 91526, 171461, 176992, 183052, 342922, 353984, 366104, 685844, 707968, 732208, 1371688, 1415936, 1418653, 1464416, 2743376, 2837306, 2928832, 5486752, 5674612, 5857664, 10973504, 11349224, 11715328, 21947008, 22698448, 43894016, 45396896, 90793792, 181587584, 253115153, 363175168, 506230306, 1012460612, 2024921224, 4049842448, 7846569743, 8099684896, 15693139486, 16199369792, 31386278972, 32398739584, 62772557944, 64797479168, 125545115888, 251090231776, 502180463552, 1004360927104, 2008721854208]

約数ペア:

[(1, 2008721854208), (2, 1004360927104), (4, 502180463552), (8, 251090231776), (16, 125545115888), (31, 64797479168), (32, 62772557944), (62, 32398739584), (64, 31386278972), (124, 16199369792), (128, 15693139486), (248, 8099684896), (256, 7846569743), (496, 4049842448), (992, 2024921224), (1984, 1012460612), (3968, 506230306), (5531, 363175168), (7936, 253115153), (11062, 181587584), (22124, 90793792), (44248, 45396896), (45763, 43894016), (88496, 22698448), (91526, 21947008), (171461, 11715328), (176992, 11349224), (183052, 10973504), (342922, 5857664), (353984, 5674612), (366104, 5486752), (685844, 2928832), (707968, 2837306), (732208, 2743376), (1371688, 1464416), (1415936, 1418653)]